diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d5652fa9dd1846dfa6646d246fdcf9766bf95d0..4fe5350f411e1c37d05bfd6db38447e2d29012ff 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,10 @@ that users understand how the changes affect the new version.
 
 version 2.1.0-dev
 ---------------------------
-+ Updated parameter_meta sections for Minimap2 and TranscriptClean to wdl-aid format.
++ GATK CombineGVCFs memory was tripled to prevent it from using a lot of CPU in
+  Garbage Collection mode.
++ Updated parameter_meta sections for Minimap2 and TranscriptClean to wdl-aid 
+  format.
 + Updated cores variable for TALON, the default is now 4.
 + Updated TALON to version 4.4.
 + Added parameter_meta sections to the following tools: