diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index e964889..3d6428d 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -63,6 +63,8 @@
         <attr name="keyLabelHorizontalPadding" format="dimension" />
         <!-- Top and right padding of hint letter to the edge of the key.-->
         <attr name="keyHintLetterPadding" format="dimension" />
+        <!-- Bottom padding of popup hint letter "..." to the edge of the key.-->
+        <attr name="keyPopupHintLetterPadding" format="dimension" />
         <!-- Top and right padding of upper case letter to the edge of the key.-->
         <attr name="keyUppercaseLetterPadding" format="dimension" />
 
diff --git a/java/res/values/dimens.xml b/java/res/values/dimens.xml
index 50eca4b..4e4993b 100644
--- a/java/res/values/dimens.xml
+++ b/java/res/values/dimens.xml
@@ -71,6 +71,7 @@
 
     <dimen name="key_label_horizontal_padding">4dip</dimen>
     <dimen name="key_hint_letter_padding">1dp</dimen>
+    <dimen name="key_popup_hint_letter_padding">2dp</dimen>
     <dimen name="key_uppercase_letter_padding">2dp</dimen>
 
     <dimen name="key_preview_height_ics">80sp</dimen>
diff --git a/java/res/values/styles.xml b/java/res/values/styles.xml
index 0e8216b..9fa4d84 100644
--- a/java/res/values/styles.xml
+++ b/java/res/values/styles.xml
@@ -52,6 +52,7 @@
         <item name="keyUppercaseLetterActivatedColor">#CCE0E4E5</item>
         <item name="keyLabelHorizontalPadding">@dimen/key_label_horizontal_padding</item>
         <item name="keyHintLetterPadding">@dimen/key_hint_letter_padding</item>
+        <item name="keyPopupHintLetterPadding">@dimen/key_popup_hint_letter_padding</item>
         <item name="keyUppercaseLetterPadding">@dimen/key_uppercase_letter_padding</item>
         <item name="keyPreviewLayout">@layout/key_preview</item>
         <item name="keyPreviewBackground">@drawable/keyboard_key_feedback</item>