diff --git a/ArduCopter/ReleaseNotes.txt b/ArduCopter/ReleaseNotes.txt
index 2179e053b3c9b6..b9a2a864f6b881 100644
--- a/ArduCopter/ReleaseNotes.txt
+++ b/ArduCopter/ReleaseNotes.txt
@@ -305,7 +305,7 @@ Changes from 4.5.0-beta1:
  - broaden acceptance criteria for GPS yaw measurement for moving baseline yaw
 
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-Copter 4.5.0-beta1 30-Jan-2025
+Copter 4.5.0-beta1 30-Jan-2024
 Changes from 4.4.4
 1) New autopilots supported
     - ACNS-F405AIO
@@ -989,7 +989,7 @@ Changes from 4.3.6
     e) Memory corruption bug in the STM32H757 (very rare)
     f) RC input on IOMCU bug fix (RC might not be regained if lost)
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-Copter 4.3.6 05-Apr-2023 / 4.3.6-beta1, 4.3.6--beta2 27-Mar-2023
+Copter 4.3.6 05-Apr-2023 / 4.3.6-beta1, 4.3.6-beta1 27-Mar-2023
 Changes from 4.3.5
 1) Bi-directional DShot fix for possible motor stop approx 72min after startup 
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