fixed typo in docs/authentication

Author: vimishor

docs/authentication.md

@@ -1,7 +1,7 @@
 ## Authentication
 
 ----
-Although you can access any public data without authentication, you need to authenticate before you can access certain features like (_but not limited to_) accesing data from a private repository, or give access to a repository.
+Although you can access any public data without authentication, you need to authenticate before you can access certain features like (_but not limited to_) accessing data from a private repository, or give access to a repository.
 Bitbucket provides Basic and OAuth authentication.
 
 ### Basic authentication
@@ -67,4 +67,4 @@ $auth = new Bitbucket\API\Authentication\OAuth('oauth_version="1.0",oauth_nonce=
 
 #### Related:
   * [Authentication @ BB Wiki](https://confluence.atlassian.com/display/BITBUCKET/Use+the+Bitbucket+REST+APIs#UsetheBitbucketRESTAPIs-Authentication)
-  * [OAuth on Bitbucket @ BB Wiki](https://confluence.atlassian.com/display/BITBUCKET/OAuth+on+Bitbucket)
+  * [OAuth on Bitbucket @ BB Wiki](https://confluence.atlassian.com/display/BITBUCKET/OAuth+on+Bitbucket)