Update examples/projections/cyl/cyl_oblique_mercator_2.py

Co-authored-by: Dongdong Tian <seisman.info@gmail.com>

Author: eemcmullan

examples/projections/cyl/cyl_oblique_mercator_2.py

@@ -21,7 +21,7 @@
 fig = pygmt.Figure()
 # Using the origin and two points
 fig.coast(
-    projection="Ob130/35/25/35/12c",
+    projection="Ob130/35/25/35/6c",
     # Set bottom left and top right coordinates of the figure with "+r"
     region="130/35/145/40+r",
     frame="afg",