Fix typo

Change-Id: I54ab0fd193e0a133a49462f456fb2fe120494bee
Reviewed-on: https://gerrit.libreoffice.org/70170
Tested-by: Jenkins
Reviewed-by: Jens Carl <j.carl43@gmx.de>

android/source/src/java/org/libreoffice/TileIdentifier.java

@@ -48,7 +48,7 @@ public class TileIdentifier {
     }
 
     /**
-     * Returns a integer rectangle of the tiles position in non-scaled and rounded coordinates (coordinates as the zoom would be 1).
+     * Returns an integer rectangle of the tiles position in non-scaled and rounded coordinates (coordinates as the zoom would be 1).
      */
     public Rect getCSSRect() {
         float cssX = x / zoom;