diff --git a/README.md b/README.md
index 0b02ca3..47a0efe 100644
--- a/README.md
+++ b/README.md
@@ -77,4 +77,4 @@ See also: [Platform Building Cheat Sheet](https://github.com/RestCheatSheet/plat
     * Pragma - When Cache-Control is 'no-cache' this header is also set to 'no-cache'. Otherwise, it is not present. (ex: Pragma: no-cache)
     * Last-Modified - The timestamp that the resource itself was modified last (in RFC1123 format). (ex: Last-Modified: Sun, 06 Nov 1994 08:49:37 GMT)
 
-1. Ensure that your GET, PUT, and DELETE operations are all [idempotent](http://www.restapitutorial.com/lessons/idempotency.html).  There should be no adverse side affects from operations.
+1. Ensure that your GET, PUT, and DELETE operations are all [idempotent](http://www.restapitutorial.com/lessons/idempotency.html).  There should be no adverse side effects from operations.