diff --git a/source/_docs/mqtt/discovery.markdown b/source/_docs/mqtt/discovery.markdown
index ee7d983aba4..a9e7664f548 100644
--- a/source/_docs/mqtt/discovery.markdown
+++ b/source/_docs/mqtt/discovery.markdown
@@ -230,6 +230,7 @@ Supported abbreviations:
     'temp_lo_stat_t':      'temperature_low_state_topic',
     'temp_stat_tpl':       'temperature_state_template',
     'temp_stat_t':         'temperature_state_topic',
+    'temp_unit':           'temperature_unit',
     'tilt_clsd_val':       'tilt_closed_value',
     'tilt_cmd_t':          'tilt_command_topic',
     'tilt_inv_stat':       'tilt_invert_state',