diff --git a/megamek/docs/history.txt b/megamek/docs/history.txt
index 46f39886337..7e5e867ed97 100644
--- a/megamek/docs/history.txt
+++ b/megamek/docs/history.txt
@@ -56,7 +56,7 @@ MEGAMEK VERSION HISTORY:
 + PR #5791: Added much-needed whitespace to some menu items of the board right click menu
 + PR #5798: Fix Reflective armor not appearing in MML dropdown
 + Fix #5803: Removes a number of duplicated infantry weapons
-+ Fix #5795: Terrain altitude rules and line of sight are now implemented for Low Altitude maps 
++ Fix #5795: Terrain altitude rules and line of sight are now implemented for Low Altitude maps
 + Fix #5790: The combat computer heat report message is now clearer, indicating that the heat bonus has already been applied in the reported values
 + Fix #5740: Lobby copy-paste will now also work for units that have no model name
 + Fix #5789: Prevent errors with showing the firing arcs
@@ -68,6 +68,7 @@ MEGAMEK VERSION HISTORY:
 + Fix #5818: correct issue with minimap autodisplay using wrong function
 + PR #5822: Implement RFE 5361: enhance Princess handling of hazardous terrain
 + Issues #2577, #897, #353: Implement placeable/carryable cargo objects (for mechs and protomechs only at the moment)
++ Fix #5811: Validation accepts Heavy Gauss Rifle with ICE
 
 0.49.20 (2024-06-28 2100 UTC) (THIS IS THE LAST VERSION TO SUPPORT JAVA 11)
 + PR #5281, #5327, #5308, #5336, #5318, #5383, #5369, #5384, #5455, #5505, #5541: Code internals: preparatory work for supporting game types such as SBF, code cleanup for string drawing, superclass change for BoardView,