diff --git a/README.md b/README.md
index c7166ff..95d6484 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ You can also write your notes in [Markdown](https://daringfireball.net/projects/
 
 If you are writing a list and you want to tick off things really easily, just add `/list`. For example, after editing [`/grocery`](http://cowyo.com/grocery), goto [`/grocery/list`](http://cowyo.com/grocery/list). In this page, whatever you click on will be striked through and moved to the end. This is helpful if you write a grocery list and then want to easily delete things from it.
 
-Math is supported using [Katex](https://github.com/Khan/KaTeX).
+Math is supported using [Katex](https://github.com/Khan/KaTeX). Base64 images are supported [in img tags](https://stackoverflow.com/questions/1207190/embedding-base64-images) as well.
 
 Be cautious about writing sensitive information in the notes as anyone with the URL has access to it. For more information, or if you'd like to edit the code, [use the github](https://github.com/schollz/cowyo).
 
diff --git a/utils.go b/utils.go
index 60ee5e8..fb28c5c 100644
--- a/utils.go
+++ b/utils.go
@@ -27,7 +27,7 @@ You can also write your notes in [Markdown](https://daringfireball.net/projects/
 
 If you are writing a list and you want to tick off things really easily, just add ` + "`" + `/list` + "`" + `. For example, after editing [` + "`" + `/grocery` + "`" + `](/grocery), goto [` + "`" + `/grocery/list` + "`" + `](/grocery/list). In this page, whatever you click on will be striked through and moved to the end. This is helpful if you write a grocery list and then want to easily delete things from it.
 
-Math is supported using [Katex](https://github.com/Khan/KaTeX). For example, ` + "`" + `$\frac{1}{2}$` + "`" + ` becomes $\frac{1}{2}$ and ` + "`" + `$$E=mc^2$$` + "`" + ` becomes $$E=mc^2$$
+Base64 images are supported [in img tags](https://stackoverflow.com/questions/1207190/embedding-base64-images). Math is supported using [Katex](https://github.com/Khan/KaTeX). For example, ` + "`" + `$\frac{1}{2}$` + "`" + ` becomes $\frac{1}{2}$ and ` + "`" + `$$E=mc^2$$` + "`" + ` becomes $$E=mc^2$$
 
 Be cautious about writing sensitive information in the notes as anyone with the URL has access to it. For more information, or if you'd like to edit the code, [use the Github](https://github.com/schollz/cowyo). If you'd like help or find a bug, please submit [an issue](https://github.com/schollz/cowyo/issues).