diff --git a/bip-???-cat.mediawiki b/bip-???-cat.mediawiki
index 40b4cc55..1beb7c56 100644
--- a/bip-???-cat.mediawiki
+++ b/bip-???-cat.mediawiki
@@ -17,7 +17,7 @@ This BIP reintroduces OP_CAT in the form of a new tapscript opcode which allows
 
 When evaluated the OP_CAT instruction:
 # Pops the top two values off the stack,
-# concatenate the popped values together,
+# concatenates the popped values together,
 # and then pushes the concatenated value on the top of the stack.
 
 OP_CAT fails if there are less than two values on the stack or if a concatenated value would have a combined size of greater than the maximum script element size of 520 Bytes.