Smaller gap for Thai 5 rows keyboard

Change-Id: Ib7239a3d06db7154fb0fb506fcc64805c18a6787
diff --git a/java/res/values/attrs.xml b/java/res/values/attrs.xml
index cf55fbe..e33f0ba 100644
--- a/java/res/values/attrs.xml
+++ b/java/res/values/attrs.xml
@@ -202,9 +202,10 @@
         <!-- Default height of a row (key height + vertical gap), in pixels or percentage of
              keyboard height. -->
         <attr name="rowHeight" format="dimension|fraction" />
-        <!-- Default horizontal gap between keys. -->
+        <!-- Default horizontal gap between keys, in pixels or percentage of keyboard width. -->
         <attr name="horizontalGap" format="dimension|fraction" />
-        <!-- Default vertical gap between rows of keys. -->
+        <!-- Default vertical gap between rows of keys, in pixels or percentage of keyboard
+             height. -->
         <attr name="verticalGap" format="dimension|fraction" />
         <!-- More keys keyboard layout template -->
         <attr name="moreKeysTemplate" format="reference" />