diff --git a/1.1-Overview.md b/1.1-Overview.md
index fbf3460..dbfd167 100644
--- a/1.1-Overview.md
+++ b/1.1-Overview.md
@@ -21,7 +21,7 @@ Here is how it basically works:
   * The `user.js` is now ignored until the next time Firefox starts
 * Firefox opens
   * The contents of `prefs.js` override the default values shown in `about:config`
-  * If a preference in `prefs.js` has a data mismatch, then it is ignored and the default used and shown in `about:config`
+  * If a preference in `prefs.js` has a data mismatch, then it is ignored and the default is used and shown in `about:config`
 * In `about:config`
   * All values stored in `prefs.js`, even if they are the default value, will be denoted as status `user set`
   * If you set a value to a `user set` value, it is stored in `prefs.js`