📝 M494 author, brief (#610)

Author: dbuezas

_gcode/M494.md

@@ -1,8 +1,9 @@
 ---
 tag: m0494
 title: FT Motion Trajectory Smoothing
-brief: Set / get the Fixed Time Motion parameters for Trajectory and Smoothing.
-author: thinkyhead
+brief: Set / get the Fixed Time Motion parameters for Trajectory generation and Smoothing.
+author: dbuezas
+contrib: thinkyhead
 
 group: motion
 requires: FT_MOTION
@@ -104,8 +105,8 @@ Particularly useful for the E axis when using linear advance, since it produces
 
 Effects on XYZ:
 * no smoothing: sharp corners, but noises and ringing
-* smoothing: rounded corners, no noises and ringing
+* smoothing if overdone: rounded corners, infill may not reach all corners, no noises and ringing
 
 Effects on E:
 * no smoothing: extruder skips when using linear advance
-* smoothing: peaks produced by linear advance are reduced, the extruder doesn't skip and quality improves.
+* smoothing: peaks produced by linear advance are reduced, the extruder doesn't skip and quality improves.