diff --git a/ka/ABI b/ka/ABI
index f1f4a8d..598179d 100644
--- a/ka/ABI
+++ b/ka/ABI
@@ -57,7 +57,7 @@ the function
       aside from 'call' and 'ret'
     - never calls a variadic function
 
-You can never omit 'enter' without omitting 'leave', anc vice-versa.
+You can never omit 'enter' without omitting 'leave', and vice-versa.
 
 #------------------------------------------------------------------------------#