Update docs to correct cut/paste errors

fixes elastic#667

CONTRIBUTING.md

@@ -46,15 +46,15 @@ irc.freenode.org and ask for help there!
 
 If you think you found a bug, it probably is a bug.
 
-* File it on [github](https://github.com/elastic/logstash/issues)
+* File it on [github](https://github.com/elastic/curator/issues)
 
 # Contributing Documentation and Code Changes
 
 If you have a bugfix or new feature that you would like to contribute to
 Curator, and you think it will take more than a few minutes to produce the fix
 (ie; write code), it is worth discussing the change with the Curator users and
 developers first! You can reach us via
-[github](https://github.com/elastic/logstash/issues), or via IRC (#logstash or
+[github](https://github.com/elastic/curator/issues), or via IRC (#logstash or
  #elasticsearch on freenode irc)
 
 Documentation is in two parts: API and CLI documentation.

docs/asciidoc/actions.asciidoc

@@ -95,7 +95,7 @@ TIP: See an example of this action in an <<actionfile,actionfile>>
 [source,text]
 -------------
 action: allocation
-description: "Add/Remove selected indices to or from the specified alias"
+description: "Apply shard allocation filtering rules to the specified indices"
 options:
   key:
   value: