fix(docs): typo

ethanresnick · ethanresnick · commit 575fc2593ef4 · 2019-01-02T14:52:16.000-05:00
diff --git a/extensions/index.md b/extensions/index.md
@@ -84,8 +84,8 @@ Once submitted, one of JSON:API's editors will review your profile to check that
 1. follows the template above; 
 2. is specified precisely enough to enable interoperable implementations;
 3. complies with the JSON:API spec and its [requirements for profiles](/format/1.1/#profiles-authoring);
-3. follows JSON:API's [recommended naming conventions](https://jsonapi.org/recommendations/#naming); and
-4. wouldn't cause any problems were it to become widely adopted. 
+4. follows JSON:API's [recommended naming conventions](https://jsonapi.org/recommendations/#naming); and
+5. wouldn't cause any problems were it to become widely adopted. 
 
 If your profile meets these criteria, it will generally be **approved within a week**.
 
