diff --git a/docs/G-Codes.md b/docs/G-Codes.md
index 99b8c27b71ec..a24798d79968 100644
--- a/docs/G-Codes.md
+++ b/docs/G-Codes.md
@@ -1084,10 +1084,10 @@ is enabled (also see the
 all enabled accelerometer chips.
 
 #### TEST_RESONANCES
-`TEST_RESONANCES AXIS=<axis> OUTPUT=<resonances,raw_data>
+`TEST_RESONANCES AXIS=<axis> [OUTPUT=<resonances,raw_data>]
 [NAME=<name>] [FREQ_START=<min_freq>] [FREQ_END=<max_freq>]
 [ACCEL_PER_HZ=<accel_per_hz>] [HZ_PER_SEC=<hz_per_sec>] [CHIPS=<chip_name>]
-[POINT=x,y,z] [INPUT_SHAPING=[<0:1>]]`: Runs the resonance
+[POINT=x,y,z] [INPUT_SHAPING=<0:1>]`: Runs the resonance
 test in all configured probe points for the requested "axis" and
 measures the acceleration using the accelerometer chips configured for
 the respective axis. "axis" can either be X or Y, or specify an
@@ -1114,7 +1114,7 @@ frequency response is calculated (across all probe points) and written into
 #### SHAPER_CALIBRATE
 `SHAPER_CALIBRATE [AXIS=<axis>] [NAME=<name>] [FREQ_START=<min_freq>]
 [FREQ_END=<max_freq>] [ACCEL_PER_HZ=<accel_per_hz>] [HZ_PER_SEC=<hz_per_sec>]
-[CHIPS=<chip_name>][MAX_SMOOTHING=<max_smoothing>]`: 
+[CHIPS=<chip_name>][MAX_SMOOTHING=<max_smoothing>] [INPUT_SHAPING=<0:1>]`: 
 Similarly to `TEST_RESONANCES`, runs
 the resonance test as configured, and tries to find the optimal
 parameters for the input shaper for the requested axis (or both X and