diff --git a/src/main/scala/app/IssuesController.scala b/src/main/scala/app/IssuesController.scala
index 23d40c6..5cc89a8 100644
--- a/src/main/scala/app/IssuesController.scala
+++ b/src/main/scala/app/IssuesController.scala
@@ -247,7 +247,7 @@
         condition,
         filter,
         repositoryInfo,
-        isWritable(owner, repository, context.loginAccount))
+        hasWritePermission(owner, repository, context.loginAccount))
 
     } getOrElse NotFound
   }
diff --git a/src/main/scala/app/MilestonesController.scala b/src/main/scala/app/MilestonesController.scala
index 7aca76d..92545ec 100644
--- a/src/main/scala/app/MilestonesController.scala
+++ b/src/main/scala/app/MilestonesController.scala
@@ -30,7 +30,7 @@
       issues.milestones.html.list(state,
         getMilestonesWithIssueCount(owner, repository),
         repositoryInfo,
-        isWritable(owner, repository, context.loginAccount))
+        hasWritePermission(owner, repository, context.loginAccount))
     } getOrElse NotFound
   })
 
diff --git a/src/main/scala/app/WikiController.scala b/src/main/scala/app/WikiController.scala
index efebbac..40bf12e 100644
--- a/src/main/scala/app/WikiController.scala
+++ b/src/main/scala/app/WikiController.scala
@@ -33,7 +33,7 @@
 
     getRepository(owner, repository, baseUrl).map { repositoryInfo =>
       getWikiPage(owner, repository, "Home").map { page =>
-        wiki.html.page("Home", page, repositoryInfo, isWritable(owner, repository, context.loginAccount))
+        wiki.html.page("Home", page, repositoryInfo, hasWritePermission(owner, repository, context.loginAccount))
       } getOrElse redirect("/%s/%s/wiki/Home/_edit".format(owner, repository))
     } getOrElse NotFound
   })
@@ -45,7 +45,7 @@
 
     getRepository(owner, repository, baseUrl).map { repositoryInfo =>
       getWikiPage(owner, repository, pageName).map { page =>
-        wiki.html.page(pageName, page, repositoryInfo, isWritable(owner, repository, context.loginAccount))
+        wiki.html.page(pageName, page, repositoryInfo, hasWritePermission(owner, repository, context.loginAccount))
       } getOrElse redirect("/%s/%s/wiki/%s/_edit".format(owner, repository, pageName)) // TODO URLEncode
     } getOrElse NotFound
   })
@@ -140,7 +140,7 @@
     val repository = params("repository")
 
     getRepository(owner, repository, baseUrl).map {
-      wiki.html.pages(getWikiPageList(owner, repository), _, isWritable(owner, repository, context.loginAccount))
+      wiki.html.pages(getWikiPageList(owner, repository), _, hasWritePermission(owner, repository, context.loginAccount))
     } getOrElse NotFound
   })
   
diff --git a/src/main/scala/service/RepositoryService.scala b/src/main/scala/service/RepositoryService.scala
index e54b0ae..6a07c47 100644
--- a/src/main/scala/service/RepositoryService.scala
+++ b/src/main/scala/service/RepositoryService.scala
@@ -183,7 +183,7 @@
   def getCollaborators(userName: String, repositoryName: String): List[String] =
     Query(Collaborators).filter(_.byRepository(userName, repositoryName)).sortBy(_.collaboratorName).list.map(_.collaboratorName)
 
-  def isWritable(owner: String, repository: String, loginAccount: Option[Account]): Boolean = {
+  def hasWritePermission(owner: String, repository: String, loginAccount: Option[Account]): Boolean = {
     loginAccount match {
       case Some(a) if(a.isAdmin) => true
       case Some(a) if(a.userName == owner) => true
diff --git a/src/main/scala/servlet/BasicAuthenticationFilter.scala b/src/main/scala/servlet/BasicAuthenticationFilter.scala
index a15bfdc..203c518 100644
--- a/src/main/scala/servlet/BasicAuthenticationFilter.scala
+++ b/src/main/scala/servlet/BasicAuthenticationFilter.scala
@@ -56,6 +56,7 @@
   private def isWritableUser(username: String, password: String, repository: RepositoryService.RepositoryInfo): Boolean = {
     getAccountByUserName(username) match {
       case Some(account) if(account.password == encrypt(password)) => {
+        // TODO Use hasWritePermission?
         (account.isAdmin // administrator
           || account.userName == repository.owner // repository owner
           || getCollaborators(repository.owner, repository.name).contains(account.userName)) // collaborator
diff --git a/src/main/twirl/issues/list.scala.html b/src/main/twirl/issues/list.scala.html
index c0b0290..6d30b32 100644
--- a/src/main/twirl/issues/list.scala.html
+++ b/src/main/twirl/issues/list.scala.html
@@ -11,7 +11,7 @@
   condition: service.IssuesService.IssueSearchCondition,
   filter: String,
   repository: service.RepositoryService.RepositoryInfo,
-  isWritable: Boolean)(implicit context: app.Context)
+  hasWritePermission: Boolean)(implicit context: app.Context)
 @import context._
 @import view.helpers._
 @html.main("Issues - " + repository.owner + "/" + repository.name){
@@ -86,7 +86,7 @@
           </ul>
         </div>
       </div>
-      @if(isWritable){
+      @if(hasWritePermission){
         <hr/>
         <input type="button" class="btn btn-block" id="manageLabel" data-toggle="button" value="Manage Labels"/>
         <br/>
@@ -169,7 +169,7 @@
     </div>
   </div>
 }
-@if(isWritable){
+@if(hasWritePermission){
 <script>
 $(function(){
   $('#manageLabel').click(function(){
diff --git a/src/main/twirl/issues/milestones/list.scala.html b/src/main/twirl/issues/milestones/list.scala.html
index 3ba4a26..fbf491e 100644
--- a/src/main/twirl/issues/milestones/list.scala.html
+++ b/src/main/twirl/issues/milestones/list.scala.html
@@ -1,4 +1,7 @@
-@(state: String, milestones: List[(model.Milestone, Int, Int)], repository: service.RepositoryService.RepositoryInfo, isWritable: Boolean)(implicit context: app.Context)
+@(state: String,
+  milestones: List[(model.Milestone, Int, Int)],
+  repository: service.RepositoryService.RepositoryInfo,
+  hasWritePermission: Boolean)(implicit context: app.Context)
 @import context._
 @import view.helpers._
 @html.main("Milestones - " + repository.owner + "/" + repository.name){
@@ -20,7 +23,7 @@
           </a>
         </li>
       </ul>
-      @if(isWritable){
+      @if(hasWritePermission){
         <hr>
         <a href="@url(repository)/issues/milestones/new" class="btn btn-block">Create a new milestone</a>
       }
@@ -49,7 +52,7 @@
                 <div class="span8">
                   <div class="milestone-menu">
                     <div class="pull-right">
-                      @if(isWritable){
+                      @if(hasWritePermission){
                         <a href="@url(repository)/issues/milestones/@milestone.milestoneId/edit">Edit
                         @if(milestone.closedDate.isDefined){
                           <a href="@url(repository)/issues/milestones/@milestone.milestoneId/open">Open</a>
diff --git a/src/main/twirl/wiki/page.scala.html b/src/main/twirl/wiki/page.scala.html
index 90e0004..cafd9ac 100644
--- a/src/main/twirl/wiki/page.scala.html
+++ b/src/main/twirl/wiki/page.scala.html
@@ -1,7 +1,7 @@
 @(pageName: String,
   page: service.WikiService.WikiPageInfo,
   repository: service.RepositoryService.RepositoryInfo,
-  isWritable: Boolean)(implicit context: app.Context)
+  hasWritePermission: Boolean)(implicit context: app.Context)
 @import context._
 @import view.helpers._
 @html.main(pageName + " - " + repository.owner + "/" + repository.name){
@@ -13,7 +13,7 @@
     </li>
     <li class="pull-right">
       <div class="btn-group">
-        @if(isWritable){
+        @if(hasWritePermission){
           <a class="btn" href="@url(repository)/wiki/_new">New Page</a>
           <a class="btn" href="@url(repository)/wiki/@pageName/_edit">Edit Page</a>
         }
diff --git a/src/main/twirl/wiki/pages.scala.html b/src/main/twirl/wiki/pages.scala.html
index 09e6113..1071617 100644
--- a/src/main/twirl/wiki/pages.scala.html
+++ b/src/main/twirl/wiki/pages.scala.html
@@ -1,4 +1,4 @@
-@(pages: List[String], repository: service.RepositoryService.RepositoryInfo, isWritable: Boolean)(implicit context: app.Context)
+@(pages: List[String], repository: service.RepositoryService.RepositoryInfo, hasWritePermission: Boolean)(implicit context: app.Context)
 @import context._
 @import view.helpers._
 @html.main("Pages - " + repository.owner + "/" + repository.name){
@@ -10,7 +10,7 @@
     </li>
     <li class="pull-right">
       <div class="btn-group">
-        @if(isWritable){
+        @if(hasWritePermission){
           <a class="btn" href="@url(repository)/wiki/_new">New Page</a>
         }
       </div>