diff --git a/man1/intro.1 b/man1/intro.1
index 3b6f05480..6e8688485 100644
--- a/man1/intro.1
+++ b/man1/intro.1
@@ -139,7 +139,7 @@ here was the command prompt\(emit is the shell's way of indicating
 that it is ready for the next command.
 The prompt can be customized
 in lots of ways, and one might include stuff like username,
-machine name, current directory, time, etc.
+machine name, current directory, time, and so on.
 An assignment PS1="What next, master? "
 would change the prompt as indicated.
 .LP