diff --git a/README.md b/README.md
index 731da55811b25ce0f71280332700e0e5664035ca..29c4e780e46e66338304815cbdc133e49fe25ca3 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ Yes. I'll even tell you about some. However, I haven't used most of these librar
 and can't comment on their quality. (If you use them and aren't their author, feel
 free to tell me about their quality.)
 
-- **images** [jo_gif.cpp](http://www.jonolick.com/home/gif-writer): tiny GIF writer (public domain)
+- **images** [jo_gif.cpp](http://www.jonolick.com/home/gif-writer): animated GIF writer (public domain)
 - **images** [gif.h](https://github.com/ginsweater/gif-h): animated GIF writer (public domain)
 - **images** [tiny_jpeg.h](https://github.com/serge-rgb/TinyJPEG/blob/master/tiny_jpeg.h): JPEG encoder (public domain)
 - **images** [miniexr](https://github.com/aras-p/miniexr): OpenEXR writer (public domain)
diff --git a/tools/README.footer.md b/tools/README.footer.md
index f6292c4b863e3a913e58c62900cb13c710f5349c..914bf830e65562e83b3cd0644e109b640a82e983 100644
--- a/tools/README.footer.md
+++ b/tools/README.footer.md
@@ -14,7 +14,7 @@ Yes. I'll even tell you about some. However, I haven't used most of these librar
 and can't comment on their quality. (If you use them and aren't their author, feel
 free to tell me about their quality.)
 
-- **images** [jo_gif.cpp](http://www.jonolick.com/home/gif-writer): tiny GIF writer (public domain)
+- **images** [jo_gif.cpp](http://www.jonolick.com/home/gif-writer): animated GIF writer (public domain)
 - **images** [gif.h](https://github.com/ginsweater/gif-h): animated GIF writer (public domain)
 - **images** [tiny_jpeg.h](https://github.com/serge-rgb/TinyJPEG/blob/master/tiny_jpeg.h): JPEG encoder (public domain)
 - **images** [miniexr](https://github.com/aras-p/miniexr): OpenEXR writer (public domain)