Fix some additional remarks made by anntzer

Author: afvincent

examples/api/engineering_formatter.py

@@ -33,7 +33,7 @@
 
 # Demo of the options `places` (number of digit after decimal point) and
 # `sep` (separator between the number and the prefix/unit).
-ax1.set_title('SI-prefix only ticklabels, 1-digit precision & ' +
+ax1.set_title('SI-prefix only ticklabels, 1-digit precision & '
               'thin space separator')
 formatter1 = EngFormatter(places=1, sep=u"\N{THIN SPACE}")  # U+2009
 ax1.xaxis.set_major_formatter(formatter1)

lib/matplotlib/ticker.py

@@ -1219,9 +1219,8 @@ def __init__(self, unit="", places=None, sep=" "):
             digits after the decimal point (there will be between one
             and three digits before the decimal point). If it is None,
             the formatting falls back to the floating point format '%g',
-            which displays up to 6 *significant* digits (i.e. the
-            equivalent value for *places* varies between 0 and 5, both
-            values included).
+            which displays up to 6 *significant* digits, i.e. the equivalent
+            value for *places* varies between 0 and 5 (inclusive).
 
         sep : str (default: " ")
             Separator used between the value and the prefix/unit. For