Simpler heading: "Preventing Abuse"

sandeepshetty · sandeepshetty · commit 2164d2bae8d1 · 2013-06-20T03:49:45.000+05:30
diff --git a/README.md b/README.md
@@ -122,7 +122,7 @@ If receiver had received a webmention in the past with the same `source` and `ta
 
 
 
-## Preventing Spam/Abuse and Security considerations
+## Preventing Abuse
 * The verification process SHOULD be queued and processed asynchronously to prevent DDOS attacks.
 * Receivers SHOULD moderate Webmentions, and if a link is displayed back to the source, SHOULD link to `source` with `rel="nofollow"` to prevent spam.
 * Receivers MAY periodically re-verify webmentions and [update them](#updating-existing-webmentions).
