diff --git a/WHATS_NEW.md b/WHATS_NEW.md
index 0e27aff..94b35c0 100644
--- a/WHATS_NEW.md
+++ b/WHATS_NEW.md
@@ -9,7 +9,7 @@ New features:
 - G2 and G3 arc movement commands are implemented.
 - If the controller is reset because of a Hard Fault exception, additional debugging information is stored in the Software Reset Data and displayed by M112
 - Faster step pulse generation - now up to 180kHz simultaneously on 3 motors on the Duet WiFi
-- The M102 command (generated by S3D when using firmware retractiobn) is ignored instead of provoking a warning message
+- The M102 command (generated by S3D when using firmware retraction) is ignored instead of provoking a warning message
 
 Bug fixes:
 - If tool mixing was used with absolute extruder coordinates, the extrusion amount was calculated incorrectly.