diff --git a/protocol/use-appropriate-status-codes.md b/protocol/use-appropriate-status-codes.md
index e2489da..d3fd0e2 100644
--- a/protocol/use-appropriate-status-codes.md
+++ b/protocol/use-appropriate-status-codes.md
@@ -37,4 +37,9 @@ HTTP/1.1 404 Not Found
 ...
 ```
 
-should be returned.
\ No newline at end of file
+should be returned.
+
+#### Recommended Reading
+- [How to Think About HTTP Status Codes](https://www.mnot.net/blog/2017/05/11/status_codes)
+
+