diff --git a/docs/G-Codes.md b/docs/G-Codes.md
index 94a6e9a9878d..d44017deac9c 100644
--- a/docs/G-Codes.md
+++ b/docs/G-Codes.md
@@ -1067,6 +1067,21 @@ CYCLE_TIME parameter is not stored between SET_PIN commands (any
 SET_PIN command without an explicit CYCLE_TIME parameter will use the
 `cycle_time` specified in the pwm_cycle_time config section).
 
+### [quad_gantry_level]
+
+The following commands are available when the
+[quad_gantry_level config section](Config_Reference.md#quad_gantry_level)
+is enabled.
+
+#### QUAD_GANTRY_LEVEL
+`QUAD_GANTRY_LEVEL [RETRIES=<value>] [RETRY_TOLERANCE=<value>]
+[HORIZONTAL_MOVE_Z=<value>] [<probe_parameter>=<value>]`: This command
+will probe the points specified in the config and then make
+independent adjustments to each Z stepper to compensate for tilt. See
+the PROBE command for details on the optional probe parameters. The
+optional `RETRIES`, `RETRY_TOLERANCE`, and `HORIZONTAL_MOVE_Z` values
+override those options specified in the config file.
+
 ### [query_adc]
 
 The query_adc module is automatically loaded.
@@ -1456,11 +1471,13 @@ The following commands are available when the
 [z_tilt config section](Config_Reference.md#z_tilt) is enabled.
 
 #### Z_TILT_ADJUST
-`Z_TILT_ADJUST [HORIZONTAL_MOVE_Z=<value>] [<probe_parameter>=<value>]`: This
-command will probe the points specified in the config and then make independent
-adjustments to each Z stepper to compensate for tilt. See the PROBE command for
-details on the optional probe parameters. The optional `HORIZONTAL_MOVE_Z`
-value overrides the `horizontal_move_z` option specified in the config file.
+`Z_TILT_ADJUST [RETRIES=<value>] [RETRY_TOLERANCE=<value>]
+[HORIZONTAL_MOVE_Z=<value>] [<probe_parameter>=<value>]`: This command
+will probe the points specified in the config and then make
+independent adjustments to each Z stepper to compensate for tilt. See
+the PROBE command for details on the optional probe parameters. The
+optional `RETRIES`, `RETRY_TOLERANCE`, and `HORIZONTAL_MOVE_Z` values
+override those options specified in the config file.
 
 ### [temperature_probe]
 
diff --git a/klippy/extras/z_tilt.py b/klippy/extras/z_tilt.py
index 49bafc4a38b2..9f5ea0b9c50d 100644
--- a/klippy/extras/z_tilt.py
+++ b/klippy/extras/z_tilt.py
@@ -108,7 +108,7 @@ def check_increase(self, error):
         return self.increasing > 1
     def check_retry(self, z_positions):
         if self.max_retries == 0:
-            return
+            return "done"
         error = round(max(z_positions) - min(z_positions),6)
         self.gcode.respond_info(
             "Retries: %d/%d %s: %0.6f tolerance: %0.6f" % (