Fix comments

Signed-off-by: Cosmin Truta <ctruta@gmail.com>
pnggroup · Nov 15, 2022 · 9b54880 · 9b54880
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commit 9b54880
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diff --git a/contrib/tools/png-fix-itxt.c b/contrib/tools/png-fix-itxt.c
@@ -10,7 +10,7 @@
  *
  * Usage:
  *
- *     png-fix-itxt.exe < bad.png > good.png
+ *     png-fix-itxt < bad.png > good.png
  *
  * Fixes a PNG file written with libpng-1.6.0 or 1.6.1 that has one or more
  * uncompressed iTXt chunks.  Assumes that the actual length is greater

diff --git a/pngwrite.c b/pngwrite.c
@@ -75,10 +75,10 @@ write_unknown_chunks(png_structrp png_ptr, png_const_inforp info_ptr,
  * library.  If you have a new chunk to add, make a function to write it,
  * and put it in the correct location here.  If you want the chunk written
  * after the image data, put it in png_write_end().  I strongly encourage
- * you to supply a PNG_INFO_ flag, and check info_ptr->valid before writing
- * the chunk, as that will keep the code from breaking if you want to just
- * write a plain PNG file.  If you have long comments, I suggest writing
- * them in png_write_end(), and compressing them.
+ * you to supply a PNG_INFO_<chunk> flag, and check info_ptr->valid before
+ * writing the chunk, as that will keep the code from breaking if you want
+ * to just write a plain PNG file.  If you have long comments, I suggest
+ * writing them in png_write_end(), and compressing them.
  */
 void PNGAPI
 png_write_info_before_PLTE(png_structrp png_ptr, png_const_inforp info_ptr)