diff --git a/custom_types.md b/custom_types.md
index 4c8da45e0d..5731f8821f 100644
--- a/custom_types.md
+++ b/custom_types.md
@@ -67,3 +67,5 @@ Issues with customtype include:
* Using a proto message as a customtype is not allowed.
* cusomtype of type map can not UnmarshalText
* customtype of type struct cannot jsonpb unmarshal
+ * Customtype field does not get a generated 'getter' method
+ * Repeated customtype fields generate slices without pointer to the custom type