diff --git a/Source/cmStringCommand.h b/Source/cmStringCommand.h
index 30dbaa5ac..802e0b850 100644
--- a/Source/cmStringCommand.h
+++ b/Source/cmStringCommand.h
@@ -129,8 +129,8 @@ public:
       "will search for the position of the last occurrence of the "
       "specified substring.\n"
       "The following characters have special meaning in regular expressions:\n"
-      "   ^         Matches at beginning of a line\n"
-      "   $         Matches at end of a line\n"
+      "   ^         Matches at beginning of input\n"
+      "   $         Matches at end of input\n"
       "   .         Matches any single character\n"
       "   [ ]       Matches any character(s) inside the brackets\n"
       "   [^ ]      Matches any character(s) not inside the brackets\n"