diff --git a/docs/VERSIONS b/docs/VERSIONS
index 934713904f8..45878f4c645 100644
--- a/docs/VERSIONS
+++ b/docs/VERSIONS
@@ -1398,3 +1398,5 @@ Mesa Version History
 	- fixed memory corruption bug involving software alpha buffers
 	- glReadPixels clipped by window bounds was sometimes broken
 	- glDraw/CopyPixels of stencil data ignored the stencil write mask
+	- glAccum didn't generate GL_INVALID_OPERATION when read/draw buffers
+	  were different