Update history.txt

Author: Scoppio

megamek/docs/history.txt

@@ -29,7 +29,8 @@ MEGAMEK VERSION HISTORY:
 + Fix #6751: Princess will now deploy mines on her turn instead of at the start of the phase.
 + PR #6829: Expanded MathUtility Integer Parsing
 + PR #6832: Corrects custom armor calculation required for megameklab#1820 that fixes megameklab#1808: Conventional infantry custom armor not appearring on record sheet
-+ PR #6835 Fixed issue with Ammo Counts showing 0 when configuring from Lobby
++ PR #6835: Fixed issue with Ammo Counts showing 0 when configuring from Lobby
++ PR #6837: Removes broken event from server
 
 0.50.04 (2025-03-22 1600 UTC)
 + PR #6494: Cap splashscreen button width