diff --git a/hio/lib/utl-str.c.m4 b/hio/lib/utl-str.c.m4
index 244f6ae..361a519 100644
--- a/hio/lib/utl-str.c.m4
+++ b/hio/lib/utl-str.c.m4
@@ -11,7 +11,7 @@
        documentation and/or other materials provided with the distribution.
 
     THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
-    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WAfRRANTIES
+    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT