[libpng16] Imported from libpng-1.6.11.tar
diff --git a/pngpriv.h b/pngpriv.h
index 985615f..c498313 100644
--- a/pngpriv.h
+++ b/pngpriv.h
@@ -822,7 +822,7 @@
     * zlib version number and because this affects handling of certain broken
     * PNG files the -I directives must match.
     *
-    * The most likely explanation is that you passed a -I in CFLAGS, this will
+    * The most likely explanation is that you passed a -I in CFLAGS. This will
     * not work; all the preprocessor directories and in particular all the -I
     * directives must be in CPPFLAGS.
     */