diff --git a/src/libCom/test/epicsMutexTest.cpp b/src/libCom/test/epicsMutexTest.cpp
index 3a698c75b..71367ce3e 100644
--- a/src/libCom/test/epicsMutexTest.cpp
+++ b/src/libCom/test/epicsMutexTest.cpp
@@ -100,7 +100,7 @@ void epicsMutexPerformance ()
         tenLockPairsSquared ( mutex );
     }
     double delay = epicsTime::getCurrent () -  begin;
-    delay /= N * 100u; // convert to timer per lock pair
+    delay /= N * 100u; // convert to delay per lock pair
     delay *= 1e6; // convert to micro seconds
     printf ( "One lock pair completes in %f micro sec\n", delay );
 }