diff --git a/source/_docs/mqtt/discovery.markdown b/source/_docs/mqtt/discovery.markdown
index 0be6a1714b5..f1fe14b3003 100644
--- a/source/_docs/mqtt/discovery.markdown
+++ b/source/_docs/mqtt/discovery.markdown
@@ -161,6 +161,7 @@ Supported abbreviations:
     'send_if_off':         'send_if_off',
     'set_pos_tpl':         'set_position_template',
     'set_pos_t':           'set_position_topic',
+    'pos_t':               'position_topic',
     'spd_cmd_t':           'speed_command_topic',
     'spd_stat_t':          'speed_state_topic',
     'spd_val_tpl':         'speed_value_template',