Fix comments in XML files

Change-Id: Id0a69f98297d6a827006c6c4fe1304a197381f82
diff --git a/java/res/xml/rowkeys_thai3.xml b/java/res/xml/rowkeys_thai3.xml
index 4af4d23..098d8a7 100644
--- a/java/res/xml/rowkeys_thai3.xml
+++ b/java/res/xml/rowkeys_thai3.xml
@@ -63,7 +63,7 @@
             <Key
                 latin:keySpec="&#x0E29;"
                 latin:keyLabelFlags="fontNormal" />
-            <!--  U+0E28: "ศ" THAI CHARACTER SO SALA -->
+            <!-- U+0E28: "ศ" THAI CHARACTER SO SALA -->
             <Key
                 latin:keySpec="&#x0E28;"
                 latin:keyLabelFlags="fontNormal" />