Rework the wording in the leading paragraph

diff --git a/doc/CONTRIBUTORS b/doc/CONTRIBUTORS
index 88de6590bf8da7276deb49c77dc0f35cbfcd8e0d..7fed1923412f0d296917a7a0126ad06f33cb0321 100644 (file)
--- a/doc/CONTRIBUTORS
+++ b/doc/CONTRIBUTORS
@@ -1,7 +1,7 @@
 The following list of people, sorted by last name, have contributed
-code or patches to sudo since I started maintaining it.  This list
-is incomplete--if you believe you should be listed, please send a
-note to sudo@sudo.ws.
+code or patches to this implementation of sudo since I began
+maintaining it in 1993.  This list is known to be incomplete--if
+you believe you should be listed, please send a note to sudo@sudo.ws.
 
 Matt Ackeret
 Nick Andrew