GenericMappingTools · Esteban82 · Jul 24, 2026 · Jul 24, 2026 · Jul 24, 2026 · Jul 24, 2026
diff --git a/doc/examples/anim14/anim14.sh b/doc/examples/anim14/anim14.sh
@@ -7,7 +7,7 @@
 # DEM:  @earth_relief_03s
 # Data: @GCMT_1976-2017_meca.gmt 
 #
-# The original data file jan76_dec17.ndk can be downloaded and rearranged to a gmt format with the followings commands:
+# The original data file jan76_dec17.ndk can be downloaded and rearranged to a gmt format with the following commands:
 # URL="https://www.ldeo.columbia.edu/~gcmt/projects/CMT/catalog/jan76_dec17.ndk"
 # gmt which $URL -G 
 # gawk '/^PDE/ {Date=$2; Time=$3; Lat=$4; Long=$5; Depth=$6; getline; Name=$1; getline; getline; Exp=$1; getline; mant=$11; strike1=$12; dip1=$13; rake1=$14; strike2=$15; dip2=$16; rake2=$17; print Long, Lat, Depth, strike1, dip1, rake1, strike2, dip2, rake2, mant, Exp, Date "T" Time, Name}' jan76_dec17.ndk | sed 's/\//-/g' > meca.gmt

diff --git a/doc/examples/ex18/ex18.bat b/doc/examples/ex18/ex18.bat
@@ -45,12 +45,12 @@ gmt begin ex18
 		gmt grdmath @AK_gulf_grav.nc mask.nc MUL = tmp.nc
 
 		gmt grdvolume tmp.nc -C50 -Sk -o1 > area.txt
-		gmt grdvolume tmp.nc -C50 -Sk -o2 > volumn.txt
+		gmt grdvolume tmp.nc -C50 -Sk -o2 > volume.txt
 		set /p area=<area.txt
-		set /p volumn=<volumn.txt
+		set /p volume=<volume.txt
 
 		echo ^> -149 52.5 14p 6.6c j > tmp.txt
-		echo Volumes: %volumn% mGal\267km@+2@+ >> tmp.txt
+		echo Volumes: %volume% mGal\267km@+2@+ >> tmp.txt
 		echo Areas: %area% km@+2@+ >> tmp.txt
 		gmt text tmp.txt -M -Gwhite -Wthin -Dj0.7c -F+f14p,Helvetica-Bold+jLB -C8p
 	gmt subplot end

diff --git a/doc/examples/ex31/fonts/README.txt b/doc/examples/ex31/fonts/README.txt
@@ -30,6 +30,6 @@ We publish our fonts at http://linuxlibertine.sf.net.
 
 7. THE UNDERLINED VARIANT
 Please note: The underlined variant is recently not being maintained because its concept doesn't seem to be sofware-technically reliable and because of lack of interest.
-The advantage of this font was that g, commas, cedillas... were not overprinted by the line anymore. For technical reasons the space was not underlined but you could use the _ instead. In this font it had the width of the space and the line was at the heighth of the underline. The underlined variant used an older font outline.
+The advantage of this font was that g, commas, cedillas... were not overprinted by the line anymore. For technical reasons the space was not underlined but you could use the _ instead. In this font it had the width of the space and the line was at the height of the underline. The underlined variant used an older font outline.
 
 Philipp Poll -- philthelion at users.sourceforge.net
diff --git a/doc/examples/ex33/ex33.bat b/doc/examples/ex33/ex33.bat
@@ -15,7 +15,7 @@ gmt begin ex33
 	REM Plot ridge segment and end points
 	gmt plot -Rspac_33.nc -W2p,blue ridge.txt
 	gmt plot -Sc0.25c -Gblue ridge.txt
-	REM Generate cross-profiles 400 km long, spaced 10 km, samped every 2km
+	REM Generate cross-profiles 400 km long, spaced 10 km, sampled every 2km
 	REM and stack these using the median, write stacked profile
 	gmt grdtrack ridge.txt -Gspac_33.nc -C400k/2k/10k+v -Sm+sstack.txt > table.txt
 	gmt plot -W0.5p table.txt

diff --git a/doc/examples/ex33/ex33.sh b/doc/examples/ex33/ex33.sh
@@ -18,7 +18,7 @@ gmt begin ex33
 	# Plot ridge segment and end points
 	gmt plot -Rspac_33.nc -W2p,blue ridge.txt
 	gmt plot -Sc0.25c -Gblue ridge.txt
-	# Generate cross-profiles 400 km long, spaced 10 km, samped every 2km
+	# Generate cross-profiles 400 km long, spaced 10 km, sampled every 2km
 	# and stack these using the median, write stacked profile
 	gmt grdtrack ridge.txt -Gspac_33.nc -C400k/2k/10k+v -Sm+sstack.txt > table.txt
 	gmt plot -W0.5p table.txt

diff --git a/doc/rst/source/RPN_MoreOn.rst_ b/doc/rst/source/RPN_MoreOn.rst_
@@ -1,7 +1,7 @@
 More on Reverse Polish Notation
 
 Reverse Polish Notation (RPN) or postfix notation is widely used in computer science because of the simplicity of implementing a 
-stack-based computation system. The PostScipt language we used to make GMT graphics is postfix, for instance. 
+stack-based computation system. The PostScript language we used to make GMT graphics is postfix, for instance. 
 To learn more about RPN or postfix, watch this YouTube video explanation:
 
 ..  youtube:: 7ha78yWRDlE

diff --git a/doc/rst/source/changes.rst b/doc/rst/source/changes.rst
@@ -455,15 +455,15 @@ there are numerous changes:
    organization: https://www.generic-mapping-tools.org/.
 #. A new discussion forum at https://forum.generic-mapping-tools.org/.
 #. A data server in Hawaii (oceania.generic-mapping-tools.org) with plans
-   for new mirror servers around the world.  This is where the remote files
+   for new mirror servers around the world. This is where the remote files
    that start with @ come from.
 #. A new way to use GMT (*modern* mode) that eliminates many of the
-   aspects of classic GMT that perplexes users.  In modern mode, PostSCript
+   aspects of classic GMT that perplexes users. In modern mode, PostScript
    is no longer the default graphics output format and most modules that
    had names starting with **ps** have had that prefix removed.  In addition,
    a few modules have entirely different names in modern mode (*psxy* is *plot*,
    *psxyz* is *plot3d*, and *psscale* is *colorbar*).
-#. The default mode remains *classic*, the only mode previously available.  All
+#. The default mode remains *classic*, the only mode previously available. All
    existing classic mode GMT 4 and 5 scripts will run as before.
 
 Modern mode modules in GMT 6.0

diff --git a/doc/rst/source/reference/features.rst b/doc/rst/source/reference/features.rst
@@ -1448,7 +1448,7 @@ create a continuous color table (d) with arbitrary nodes by giving **-T**\ 0,2,6
 the latter option forces a continuous CPT pinned to a given list of node values.  Now, the colors
 continuously change from red (at *z = 0*) via yellow (at *z = 2*) to purple (at *z = 6*).
 Modules that obtain the *z*-range indirectly (e.g., :doc:`/grdimage`) may use the exact data range
-to set the quivalent of a **-T**\ *min/max* option.  You may append **+i**\ *dz* to the
+to set the equivalent of a **-T**\ *min/max* option.  You may append **+i**\ *dz* to the
 color list to have the *min* and *max* values rounded down and up to nearest multiple of *dz*, respectively.
 
 .. figure:: /_images/GMT_colorlist.*

diff --git a/doc/rst/source/reference/options.rst b/doc/rst/source/reference/options.rst
@@ -450,7 +450,7 @@ The next example shows two different ways to annotate an axis portraying 2 days
 .. literalinclude:: /_verbatim/GMT_-B_time2.txt
 
 The lower example (Figure :ref:`cartesian_axis2`) chooses to annotate the weekdays (by
-specifying **a**\ 1\ **K**) while the upper example choses dates (by
+specifying **a**\ 1\ **K**) while the upper example chooses dates (by
 specifying **a**\ 1\ **D**). Note how the clock format only selects
 hours and minutes (no seconds) and the date format selects a month name,
 followed by one space and a two-digit day-of-month number.

diff --git a/doc/rst/source/supplements/gsfml/fzanalyzer.rst b/doc/rst/source/supplements/gsfml/fzanalyzer.rst
@@ -142,12 +142,12 @@ Optional Arguments
 Input Files
 -----------
 
-The two input files are themselves generated by running :doc:`grdtrack </grdtrack>` first.  This step
+The two input files are themselves generated by running :doc:`grdtrack </grdtrack>` first. This step
 requires a set of digitized FZ tracks (*lon*, *lat*) and three data grids: (a) a
 VGG vertical gravity gradient file, (b) a 2 minute crustal age grid, and (c)
-a grid with distance to the nearest FZ in km, listed in that order.  The critical file is the
-VGG grid.  If you don't have or care about ages and distances you can make dummy grids that
-are all NaNs.  You design your cross-profile layout and resampled FZ trackes using :doc:`grdtrack </grdtrack>`
+a grid with distance to the nearest FZ in km, listed in that order. The critical file is the
+VGG grid. If you don't have or care about ages and distances you can make dummy grids that
+are all NaNs. You design your cross-profile layout and resampled FZ tracks using :doc:`grdtrack </grdtrack>`
 options **-C** and **-D**..
 
 Nearest Fracture Zone Distances

diff --git a/doc/rst/source/supplements/mgd77/mgd77magref.rst b/doc/rst/source/supplements/mgd77/mgd77magref.rst
@@ -78,8 +78,8 @@ Optional Arguments
     listing_drao_noontime-flux-absolute_monthly.txt
 
     Another update in January 2025. The NASA site above no longer updated its data and now we use *F10.7* data
-    downloaded from https://celestrak.org/spacedata/SW-All.csv  (Matlab refences this site as well). But it
-    contains only daily data. Hence we computed the montly averages. However, comparing previous and computed
+    downloaded from https://celestrak.org/spacedata/SW-All.csv  (Matlab references this site as well). But it
+    contains only daily data. Hence we computed the monthly averages. However, comparing previous and computed
     averages from this site show some differences. For example the first 4 months of 2018 (replaced to in this
     update) compare like this: [609 632 608 634] (nasa) _vs_ [699 725 683 700] (celestrak).
 

diff --git a/doc/rst/source/supplements/module_supplements_purpose.rst_ b/doc/rst/source/supplements/module_supplements_purpose.rst_
@@ -84,7 +84,7 @@
 
 .. |pssac_purpose| replace:: Plot seismograms in SAC format
 
-.. |gmtisf_purpose| replace:: Read seismicity data in the ISF formated file
+.. |gmtisf_purpose| replace:: Read seismicity data in the ISF formatted file
 
 .. |backtracker_purpose| replace:: Generate forward and backward flowlines and hotspot tracks
 

diff --git a/doc/rst/source/supplements/seis/gmtisf.rst b/doc/rst/source/supplements/seis/gmtisf.rst
@@ -22,7 +22,7 @@ Synopsis
 Description
 -----------
 
-Reads seismicity data from an ISC (https://www.isc.ac.uk/iscbulletin) formated *file.isc* and output [lon lat depth mag ...]
+Reads seismicity data from an ISC (https://www.isc.ac.uk/iscbulletin) formatted *file.isc* and output [lon lat depth mag ...]
 to standard output.
 
 Optional Arguments

diff --git a/doc/rst/source/triangulate.rst b/doc/rst/source/triangulate.rst
@@ -136,7 +136,7 @@ Optional Arguments
     Give name of file with previously computed Delaunay information. Each record must contain
     triplets of node numbers for a triangle in the input *table* [Default computes these
     using Delaunay triangulation]. If the *indexfile* is binary and can be read the same way
-    as the binary input *table* then you can append **+b** to spead up the reading
+    as the binary input *table* then you can append **+b** to speed up the reading
     [Default reads nodes as ASCII].
 
 .. _-M:

diff --git a/doc/rst/source/tutorial/julia/session-4.rst b/doc/rst/source/tutorial/julia/session-4.rst
@@ -144,13 +144,13 @@ Color images are made with `grdimage <https://www.generic-mapping-tools.org/GMTj
 which takes the usual common command options (by default the **region** is taken from the data set) and a CPT;
 the main other options are:
 
-==================== ======================================================================
-Option               Purpose
-==================== ======================================================================
-**dpi**\ =val        Sets the desired resolution of the image [Default is data resolution]
-**shade**\ =grid     Use artificial illumination using intensities from a grid or *intensfile*
-**monochrom**\ =true Force gray shade using the (television) YIQ conversion
-==================== ======================================================================
+===================== =========================================================================
+Option                Purpose
+===================== =========================================================================
+**dpi**\ =val         Sets the desired resolution of the image [Default is data resolution]
+**shade**\ =grid      Use artificial illumination using intensities from a grid or *intensfile*
+**monochrome**\ =true Force gray shade using the (television) YIQ conversion
+===================== =========================================================================
 
 We want to make a plain color map with a color bar superimposed above the plot. We try
 

diff --git a/doc/rst/source/users-contrib-symbols/biology/Cetacea.rst b/doc/rst/source/users-contrib-symbols/biology/Cetacea.rst
@@ -178,8 +178,8 @@ In this case, please read also the points 1.2-1.3 of the file FAQ.txt
 4: Run the bash script, print/open the output postscript file myfile.ps, or convert to PDF or rasters with gmt psconvert.
 
 
-FAQ and Troubleshoting
-----------------------
+FAQ and Troubleshooting
+-----------------------
 
 The symbols are not drawn
 ~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -216,7 +216,7 @@ The symbols are to much big!, What size should I use?
    are a little bigger than others, so play with the size in the script until you
    obtain the right for you. Remember that you can easily modify the size of the
    symbol directly in your GMT script (-Skoorca/0.8  -Skoorca/0.2) or in your file xy.
-   I recommend to use different sizes for males, females and calfs.
+   I recommend to use different sizes for males, females and calves.
 
 I don't want color symbols!
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^

diff --git a/test/blockmean/xy2ij.sh b/test/blockmean/xy2ij.sh
@@ -4,7 +4,7 @@
 # We use -R0/5/0/5 -I1 for pixel and gridline registrations
 # Points are prepared that will land in various tiles, some will
 # fall exactly on tile boundaries.  One point will fall outside -R
-# but should be considered for the gridline registrated case.
+# but should be considered for the gridline registered case.
 
 ps=xy2ij.ps
 

diff --git a/test/grdvolume/sphere_volume.sh b/test/grdvolume/sphere_volume.sh
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 #
-# Make a sphere of radius 10 using two half grids and compute volumnes
+# Make a sphere of radius 10 using two half grids and compute volumes
 # Addressing issue #895
 ps=sphere_volume.ps
 gmt grdmath -R-10.1/10.1/-10.1/10.1 -I0.1 X Y HYPOT 10 DIV ACOS SIN 10 MUL NEG = bot_half.grd

diff --git a/test/psscale/transp_scale.sh b/test/psscale/transp_scale.sh
@@ -1,7 +1,7 @@
 #!/usr/bin/env bash
 # Test CPTs with various levels of transparency
 ps=transp_scale.ps
-# 1. Discrete CPT with no transparenty
+# 1. Discrete CPT with no transparency
 gmt makecpt -Cturbo -T-4000/-1000/500 -D > t.cpt
 gmt psscale -Ct.cpt -R0/10/0/10 -JX15c -Y26c -Baf -Bx+l"Discrete CPT No Slices Transparent" -P -K > $ps
 # 2. Discrete CPT with all transparent colors

diff --git a/test/psxy/vector2d_mods.sh b/test/psxy/vector2d_mods.sh
@@ -38,13 +38,13 @@ gmt begin vector2d_mods
 	# dx, dy in specified user units with scale
 	echo 0 5 ${dx} ${dy} | gmt plot -Sv20p+e+z1q -W2p -Gred
 	echo "-0.1 5.9 Input: ${dx} ${dy} Vector: -Sv20p+e+z1q" | gmt text $textopt
-	# dx, dy in specified plot units with scale, and color based on magintude
+	# dx, dy in specified plot units with scale, and color based on magnitude
 	echo 0 6 ${dx} ${dy} | gmt plot -Sv20p+e+z${scl}q+c -W2p -C --PROJ_LENGTH_UNIT=inch
 	echo "-0.1 6.9 Input: ${dx} ${dy} Vector: -Sv20p+e+z${scl}q+c --PROJ_LENGTH_UNIT=inch" | gmt text $textopt
-	# dx, dy in specified data units with scale, and color based on magintude
+	# dx, dy in specified data units with scale, and color based on magnitude
 	echo 0 7 ${dx1} ${dy1} | gmt plot -Sv20p+e+z${scl1}q+c -W2p -C --PROJ_LENGTH_UNIT=inch
 	echo "-0.1 7.9 Input: ${dx1} ${dy1} Vector: -Sv20p+e+z${scl1}q+c --PROJ_LENGTH_UNIT=inch" | gmt text $textopt
-	# magnitude in specified data units with scale, and color based on magintude
+	# magnitude in specified data units with scale, and color based on magnitude
 	echo 0 8 30 25.4 | gmt plot -Sv20p+e+v${scl1}q+c -W2p+c -C --PROJ_LENGTH_UNIT=inch
 	echo "-0.1 8.9 Input: 30 25.4 Vector: -Sv20p+e+v${scl1}q+c --PROJ_LENGTH_UNIT=inch" | gmt text $textopt
 	### GEOVECTOR
@@ -69,10 +69,10 @@ gmt begin vector2d_mods
 	# dx, dy in specific data units with scale
 	echo 0 6 ${dx2} ${dy2} | gmt plot -S=20p+e+z10q -W2p -Gred
 	echo "-0.1 6.9 Input: ${dx2} ${dy2} Vector: -S=20p+e+z10q" | gmt text $textopt
-	# dx, dy in specific data units with scale, and color based on magintude
+	# dx, dy in specific data units with scale, and color based on magnitude
 	echo 0 7 ${dx2} ${dy2} | gmt plot -S=20p+e+z10q+c -W2p -C
 	echo "-0.1 7.9 Input: ${dx2} ${dy2} Vector: -S=20p+e+z10q+c" | gmt text $textopt
-	# magnitude in specific data units with scale, and color based on magintude
+	# magnitude in specific data units with scale, and color based on magnitude
 	echo 0 8 60 10 | gmt plot -S=20p+e+v10q+c -W2p+c -C
 	echo "-0.1 8.9 Input: 60 10 Vector: -S=20p+e+v10q+c" | gmt text $textopt
 gmt end show
diff --git a/test/psxyz/vector3d_mods.sh b/test/psxyz/vector3d_mods.sh
@@ -38,13 +38,13 @@ gmt begin vector3d_mods
 	# dx, dy in specified user units with scale
 	echo 0 5 0 ${dx} ${dy} | gmt plot3d -Sv20p+e+z1q -W2p -Gred
 	echo "-0.1 5.9 Input: ${dx} ${dy} Vector: -Sv20p+e+z1q" | gmt text $textopt
-	# dx, dy in specified plot units with scale, and color based on magintude
+	# dx, dy in specified plot units with scale, and color based on magnitude
 	echo 0 6 0 ${dx} ${dy} | gmt plot3d -Sv20p+e+z${scl}q+c -W2p -C --PROJ_LENGTH_UNIT=inch
 	echo "-0.1 6.9 Input: ${dx} ${dy} Vector: -Sv20p+e+z${scl}q+c --PROJ_LENGTH_UNIT=inch" | gmt text $textopt
-	# dx, dy in specified data units with scale, and color based on magintude
+	# dx, dy in specified data units with scale, and color based on magnitude
 	echo 0 7 0 ${dx1} ${dy1} | gmt plot3d -Sv20p+e+z${scl1}q+c -W2p -C --PROJ_LENGTH_UNIT=inch
 	echo "-0.1 7.9 Input: ${dx1} ${dy1} Vector: -Sv20p+e+z${scl1}q+c --PROJ_LENGTH_UNIT=inch" | gmt text $textopt
-	# magnitude in specified data units with scale, and color based on magintude
+	# magnitude in specified data units with scale, and color based on magnitude
 	echo 0 8 0 30 25.4 | gmt plot3d -Sv20p+e+v${scl1}q+c -W2p+c -C --PROJ_LENGTH_UNIT=inch
 	echo "-0.1 8.9 Input: 30 25.4 Vector: -Sv20p+e+v${scl1}q+c --PROJ_LENGTH_UNIT=inch" | gmt text $textopt
 	### GEOVECTOR
@@ -69,10 +69,10 @@ gmt begin vector3d_mods
 	# dx, dy in specific data units with scale
 	echo 0 6 0 ${dx2} ${dy2} | gmt plot3d -S=20p+e+z10q -W2p -Gred
 	echo "-0.1 6.9 Input: ${dx2} ${dy2} Vector: -S=20p+e+z10q" | gmt text $textopt
-	# dx, dy in specific data units with scale, and color based on magintude
+	# dx, dy in specific data units with scale, and color based on magnitude
 	echo 0 7 0 ${dx2} ${dy2} | gmt plot3d -S=20p+e+z10q+c -W2p -C
 	echo "-0.1 7.9 Input: ${dx2} ${dy2} Vector: -S=20p+e+z10q+c" | gmt text $textopt
-	# magnitude in specific data units with scale, and color based on magintude
+	# magnitude in specific data units with scale, and color based on magnitude
 	echo 0 8 0 60 10 | gmt plot3d -S=20p+e+v10q+c -W2p+c -C
 	echo "-0.1 8.9 Input: 60 10 Vector: -S=20p+e+v10q+c" | gmt text $textopt
 gmt end show