Fixes minor errors in documentation

README.md

@@ -48,7 +48,7 @@ With Tracim, you centralize information, you can stay in touch by configuring yo
 
 ### Manage documents and files ###
 
-Traceability and versioning are very important for high-quality processes. Unfortunately, specialized software are hard to setup and to use.
+Traceability and versioning are very important for high-quality processes. Unfortunately, specialized software are hard to setup and use.
 
 Let's try Tracim ! You define access-control for each workspace and store documents and file there. Users can't delete information: everything is versioned and never deleted.
 

doc/setting.md

@@ -83,7 +83,7 @@ Keep in mind `admin-email@domain.com` must match with LDAP user.
 
 ## Other parameters  ##
 
-There are other parameters which may be of some interest for you. For example, you can:
+There are other parameters which may be of interest to you. For example, you can:
 
 * include a JS tracker like Piwik or Google Analytics,
 * define your own notification email subject