diff --git a/reference_guide/api_changes_list.md b/reference_guide/api_changes_list.md
index 7d221d00e..e286a13bb 100644
--- a/reference_guide/api_changes_list.md
+++ b/reference_guide/api_changes_list.md
@@ -31,6 +31,7 @@ The following problem patterns are supported:
 <class name>.<method name> method <parameter name> parameter marked @<class name>
 <class name> (class|interface) now (extends|implements) <class name> and inherits its final method <method name>(<human-readable parameters>)?
 <class name> (class|interface) now (extends|implements) <class name> and inherits its abstract method <method name>(<human-readable parameters>)?
+<class name> class now interface
 
 <class name>(<human-readable parameters>) constructor removed
 <class name>(<human-readable parameters>) constructor parameter <type> removed
diff --git a/reference_guide/api_changes_list_2020.md b/reference_guide/api_changes_list_2020.md
index 5809dd1a7..73413577c 100644
--- a/reference_guide/api_changes_list_2020.md
+++ b/reference_guide/api_changes_list_2020.md
@@ -29,6 +29,7 @@ The following problem patterns are supported:
 <class name>.<method name> method <parameter name> parameter marked @<class name>
 <class name> (class|interface) now (extends|implements) <class name> and inherits its final method <method name>(<human-readable parameters>)?
 <class name> (class|interface) now (extends|implements) <class name> and inherits its abstract method <method name>(<human-readable parameters>)?
+<class name> class now interface
 
 <class name>(<human-readable parameters>) constructor removed
 <class name>(<human-readable parameters>) constructor parameter <type> removed