Update Advanced Pause description (#21829)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Marlin/Configuration_adv.h

@@ -2301,14 +2301,15 @@
 #endif // HAS_MULTI_EXTRUDER
 
 /**
- * Advanced Pause
+ * Advanced Pause for Filament Change
- * Experimental feature for filament change support and for parking the nozzle when paused.
+ *  - Adds the G-code M600 Filament Change to initiate a filament change.
- * Adds the GCode M600 for initiating filament change.
+ *  - This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
- * If PARK_HEAD_ON_PAUSE enabled, adds the GCode M125 to pause printing and park the nozzle.
  *
- * Requires an LCD display.
+ * Requirements:
- * Requires NOZZLE_PARK_FEATURE.
+ *  - For Filament Change parking enable and configure NOZZLE_PARK_FEATURE.
- * This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
+ *  - For user interaction enable an LCD display, HOST_PROMPT_SUPPORT, or EMERGENCY_PARSER.
+ *
+ * Enable PARK_HEAD_ON_PAUSE to add the G-code M125 Pause and Park.
  */
 //#define ADVANCED_PAUSE_FEATURE
 #if ENABLED(ADVANCED_PAUSE_FEATURE)
@@ -3484,7 +3485,7 @@
 #define PROPORTIONAL_FONT_RATIO 1.0
 
 /**
- * Spend 28 bytes of SRAM to optimize the GCode parser
+ * Spend 28 bytes of SRAM to optimize the G-code parser
  */
 #define FASTER_GCODE_PARSER