Index: public/help/en/wiki_syntax_detailed_textile.html
===================================================================
--- public/help/en/wiki_syntax_detailed_textile.html	(revision 14445)
+++ public/help/en/wiki_syntax_detailed_textile.html	(working copy)
@@ -144,7 +144,7 @@
             <li>Projects:
                 <ul>
                     <li><strong>project#3</strong> (link to project with id 3)</li>
-                    <li><strong>project:some-project</strong> (link to project with name or slug of "some-project")</li>
+                    <li><strong>project:some-project</strong> (link to project with identifier "some-project")</li>
                     <li><strong>project:"Some Project"</strong> (use double quotes for project name containing spaces)</li>
                 </ul></li>
         </ul>
Index: app/helpers/application_helper.rb
===================================================================
--- app/helpers/application_helper.rb	(revision 14445)
+++ app/helpers/application_helper.rb	(working copy)
@@ -730,7 +730,7 @@
   #   Forum messages:
   #     message#1218 -> Link to message with id 1218
   #  Projects:
-  #     project:someproject -> Link to project named "someproject"
+  #     project:someproject -> Link to project with identifier "someproject"
   #     project#3 -> Link to project with id 3
   #
   #   Links can refer other objects from other projects, using project identifier:
@@ -864,7 +864,7 @@
                 link = link_to_attachment(attachment, :only_path => only_path, :download => true, :class => 'attachment')
               end
             when 'project'
-              if p = Project.visible.where("identifier = :s OR LOWER(name) = :s", :s => name.downcase).first
+              if p = Project.visible.where("identifier = :s", :s => name).first
                 link = link_to_project(p, {:only_path => only_path}, :class => 'project')
               end
             end