diff --git a/etc/TODO b/etc/TODO
index 6b29c0a61ad..d2d124c9c8e 100644
--- a/etc/TODO
+++ b/etc/TODO
@@ -889,7 +889,7 @@ We could have a mechanism similar to what we use for optimizing calls
 to primitive functions.  IE using a link table for each compilation
 unit (CU) such that calls from functions in a CU targeting functions
 in the same CU don't have to go through funcall.  If one of these
-functions is redefined a trampoline is compiled and installed to
+functions is redefined, a trampoline is compiled and installed to
 restore the redirection through funcall.
 
 *** Features to be improved or missing