diff --git a/res/values/attrs.xml b/res/values/attrs.xml
index 34d86df..2224ac8 100644
--- a/res/values/attrs.xml
+++ b/res/values/attrs.xml
@@ -60,8 +60,8 @@
         <attr name="y" format="string" />
         <attr name="spanX" format="string" />
         <attr name="spanY" format="string" />
-        <attr name="icon" format="reference" />  
-        <attr name="title" format="reference" />
+        <attr name="icon" format="reference" />
+        <attr name="title" format="string" />
         <attr name="uri" format="string" />
     </declare-styleable>