diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index 1a4fd25d1..4acc9e620 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -22,7 +22,7 @@
     </string-array>
     <string-array name="mute_options_descriptions">
         <item>30 minutes</item>
-        <item>one hour</item>
+        <item>1 hour</item>
         <item>2 hours</item>
         <item>8 hours</item>
         <item>until further notice</item>
@@ -36,4 +36,4 @@
         <item>-1</item>
     </integer-array>
 
-</resources>
\ No newline at end of file
+</resources>