diff --git a/bip-0119.mediawiki b/bip-0119.mediawiki
index 0de7eb01..e887cafc 100644
--- a/bip-0119.mediawiki
+++ b/bip-0119.mediawiki
@@ -167,6 +167,12 @@ specification for the semantics of OP_CHECKTEMPLATEVERIFY.
     }
     break;
 
+Where
+
+    bool CheckDefaultCheckTemplateVerifyHash(const std::vector<unsigned char>& hash) {
+        return GetDefaultCheckTemplateVerifyHash(current_tx, current_input_index) == uint256(hash);
+    }
+
 The hash is computed as follows:
 
     uint256 GetDefaultCheckTemplateVerifyHash(const CTransaction& tx, uint32_t input_index) {