[gtk-doc] Fix comment in example Makefile.am re sanity check

[Behdad Esfahbod <behdad src gnome org>]

commit 7a5b43f91309934f5a7253e5a80a45979f3fce28
Author: Behdad Esfahbod <behdad behdad org>
Date:   Fri Jan 12 11:34:51 2018 +0100

    Fix comment in example Makefile.am re sanity check

 examples/Makefile.am |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/examples/Makefile.am b/examples/Makefile.am
index def04cf..bf1d41f 100644
--- a/examples/Makefile.am
+++ b/examples/Makefile.am
@@ -99,7 +99,7 @@ GTKDOC_LIBS=
 # This includes the standard gtk-doc make rules, copied by gtkdocize.
 include $(top_srcdir)/gtk-doc.make
 
-# Comment this out if you want 'make check' to test you doc status
+# Comment this out if you don't want 'make check' to test you doc status
 # and run some sanity checks
 if ENABLE_GTK_DOC
 TESTS_ENVIRONMENT = \