diff --git a/src/lib/builtins.pl b/src/lib/builtins.pl
index b62632183..f848fabd0 100644
--- a/src/lib/builtins.pl
+++ b/src/lib/builtins.pl
@@ -2228,7 +2228,7 @@
 
 %% callable(X).
 %
-% True iff X is bound o an atom or a compund term.
+% True iff X is bound to an atom or a compound term.
 
 :- non_counted_backtracking callable/1.