diff --git a/runtime/doc/vim9class.txt b/runtime/doc/vim9class.txt
index 926638b..8a9e37e 100644
--- a/runtime/doc/vim9class.txt
+++ b/runtime/doc/vim9class.txt
@@ -315,6 +315,10 @@
 	    OtherThing._Foo()
 	enddef
     endclass
+<
+							*E1370*
+Note that constructors cannot be declared as "static", because they always
+are.
 
 ==============================================================================