minor fixes

lib/cocoapods/installer.rb

@@ -54,8 +54,8 @@ module Pod
 
             if config.doc?
               if pod.generate_documentation(config.doc_install?, config.doc_force? ,config.verbose?)
-                action = config.doc_install ? 'installed' : 'generated'
-                puts "           #{action} documentation" unless config.silent?
+                action = config.doc_install ? 'Installed' : 'Generated'
+                puts "-> #{action} documentation" unless config.silent?
               end
             end
 

lib/cocoapods/local_pod.rb

@@ -77,9 +77,7 @@ module Pod
 
     # Generates and installs the documentation of the pod.
     #
-    # It returns a human redable string containing the source used
-    # for the documentation. If no source was available it returns
-    # nil.
+    # It returns true if the documentation was generated/installed
     #
     def generate_documentation(install, force = true, verbose = false)
       documentation = specification.documentation ? specification.documentation : {}