diff --git a/src/lua_infolib.c b/src/lua_infolib.c
index ddcd1aeea..d2058eac4 100644
--- a/src/lua_infolib.c
+++ b/src/lua_infolib.c
@@ -1919,7 +1919,7 @@ static int lib_getTranslation(lua_State *L)
 	return 1;
 }
 
-// #translations -> R_GetNumTranslations()
+// #translations -> R_NumCustomTranslations()
 static int lib_translationslen(lua_State *L)
 {
 	lua_pushinteger(L, R_NumCustomTranslations());