diff --git a/docs/README.ABI.md b/docs/README.ABI.md
index d843675..a6154bc 100644
--- a/docs/README.ABI.md
+++ b/docs/README.ABI.md
@@ -5,11 +5,20 @@ versions
 
    This currently includes the following functions:
    - ReallocatePool
+     
+     Inputs were re-ordered
 
    - CopyMem
 
+     Source is no longer marked as constant
+     
+     CopyMemC is introduced as a helper function when using a constant source input
+
    - CompareGuid
-   
+    
+      Function now returns BOOLEAN instead of INTN
+      Return codes are now reversed
+
      **Will break at runtime - likely causing opposite output to expected**
 
 2) Applications which haven't been updated in a while may also be missing the