diff --git a/site/docs/posts.md b/site/docs/posts.md
index f93eb6b5..3c6ca7fe 100644
--- a/site/docs/posts.md
+++ b/site/docs/posts.md
@@ -155,6 +155,8 @@ If you don't like the automatically-generated post excerpt, it can be overridden
 `excerpt` to your post's YAML front-matter. Completely disable it by setting
 your `excerpt_separator` to `""`.
 
+Also, as with any output generated by Liquid tags, you can pass the `| strip_html` flag to remove any html tags in the output. This is particularly helpful if you wish to output a post excerpt as a `meta="description"` tag within the post `head`.
+
 ## Highlighting code snippets
 
 Jekyll also has built-in support for syntax highlighting of code snippets using