Update azure-machine-learning-release-notes.md

Author: harneetvirk

articles/machine-learning/azure-machine-learning-release-notes.md

@@ -31,8 +31,8 @@ See [the list of known issues](resource-known-issues.md) to learn about known bu
   + [Reference upcoming breaking changes and old API support drop date]
 
 + **Bug fixes and improvements**
-  + **azureml-automl-core**
-    + Explicitely checking for label_column_name & weight_column_name parameters for AutoMLConfig to be of type string.
+  + **azureml-automl-runtime**
+    + Enable support for unhashable type when calculating number of unique values in a column.
   + **azureml-dataprep**
     + Support european-style dot-delimited decimal conversion in set_column_types.
   + **azureml-interpret**