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  * [known_issues.txt]source:docs/known_issues.txt: things you need to be aware of if you want to rely on Tahoe to store your valuable data.
 
+ * [Capabilities](Capabilities): help to clear up confusion about readcaps and writecaps and verifycaps, etc
+
 ## Presentations / Papers
  * [Tahoe – The Least-Authority Filesystem](http://allmydata.org/~zooko/lafs.pdf) presented at [Storage Security and Survivability '08](http://storagess.org/2008)
  * [Tahoe: A Secure Distributed Filesystem](http://allmydata.org/~warner/pycon-tahoe.html) presented at