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-rw-r--r--src/lua/lua_task.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/lua/lua_task.c b/src/lua/lua_task.c
index e850f1d7e..27fee395d 100644
--- a/src/lua/lua_task.c
+++ b/src/lua/lua_task.c
@@ -774,8 +774,10 @@ end
LUA_FUNCTION_DEF (task, get_date);
/***
* @method task:get_message_id()
- * Returns message id of the specified task
- * @return {string} if of a message
+ * Returns message identifier from the `Message-ID` header. Angle brackets (`<>`)
+ * are stripped off if present. If a Message-ID header is missing `undef` is
+ * returned.
+ * @return {string} ID of the message
*/
LUA_FUNCTION_DEF (task, get_message_id);
/***