diff --git a/gcode_process.c b/gcode_process.c
index 89e98ea..2b94dea 100644
--- a/gcode_process.c
+++ b/gcode_process.c
@@ -181,7 +181,10 @@ void process_gcode_command() {
 				//?
 				//? Example: G28
 				//?
-				//? This causes the RepRap machine to move back to its X, Y and Z zero endstops.  It does so accelerating, so as to get there fast.  But when it arrives it backs off by 1 mm in each direction slowly, then moves back slowly to the stop.  This ensures more accurate positioning.
+        //? This causes the RepRap machine to search for its X, Y and Z zero
+        //? endstops. It does so at high speed, so as to get there fast. When
+        //? it arrives it backs off slowly until the endstop is released again.
+        //? Backing off slowly ensures more accurate positioning.
 				//?
 				//? If you add coordinates, then just the axes with coordinates specified will be zeroed.  Thus
 				//?