Fix spelling and grammar in documentation and code comments
diff --git a/Tools/i18n/pygettext.py b/Tools/i18n/pygettext.py
index 3c6c14c..da42438 100755
--- a/Tools/i18n/pygettext.py
+++ b/Tools/i18n/pygettext.py
@@ -475,7 +475,7 @@
                             '# File: %(filename)s, line: %(lineno)d') % d, file=fp)
                 elif options.locationstyle == options.GNU:
                     # fit as many locations on one line, as long as the
-                    # resulting line length doesn't exceeds 'options.width'
+                    # resulting line length doesn't exceed 'options.width'
                     locline = '#:'
                     for filename, lineno in v:
                         d = {'filename': filename, 'lineno': lineno}