spelling fixes
diff --git a/common/Xregion/Region.c b/common/Xregion/Region.c
index 5209443..1acf581 100644
--- a/common/Xregion/Region.c
+++ b/common/Xregion/Region.c
@@ -1310,7 +1310,7 @@
 	else if (r2->x1 <= x1)
 	{
 	    /*
-	     * Subtrahend preceeds minuend: nuke left edge of minuend.
+	     * Subtrahend preceds minuend: nuke left edge of minuend.
 	     */
 	    x1 = r2->x2;
 	    if (x1 >= r1->x2)