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-rw-r--r--docs/Config_Reference.md14
1 files changed, 9 insertions, 5 deletions
diff --git a/docs/Config_Reference.md b/docs/Config_Reference.md
index 223b576f..bc66b86a 100644
--- a/docs/Config_Reference.md
+++ b/docs/Config_Reference.md
@@ -638,10 +638,11 @@ max_accel: 1
### [extruder]
-The extruder section is used to describe both the stepper controlling
-the printer extruder and the heater parameters for the nozzle. See the
-[pressure advance guide](Pressure_Advance.md) for information on
-tuning pressure advance.
+The extruder section is used to describe the heater parameters for the
+nozzle hotend along with the stepper controlling the extruder. See the
+[command reference](G-Codes.md#extruder) for additional information.
+See the [pressure advance guide](Pressure_Advance.md) for information
+on tuning pressure advance.
```
[extruder]
@@ -652,7 +653,10 @@ microsteps:
rotation_distance:
#full_steps_per_rotation:
#gear_ratio:
-# See the "stepper" section for a description of the above parameters.
+# See the "stepper" section for a description of the above
+# parameters. If none of the above parameters are specified then no
+# stepper will be associated with the nozzle hotend (though a
+# SYNC_EXTRUDER_MOTION command may associate one at run-time).
nozzle_diameter:
# Diameter of the nozzle orifice (in mm). This parameter must be
# provided.