diff --git a/include/wx/any.h b/include/wx/any.h
index aebc38df55..092e71078d 100644
--- a/include/wx/any.h
+++ b/include/wx/any.h
@@ -806,7 +806,7 @@ public:
     }
 
     /**
-        Tests if wxAny is null (that is, whether there is data).
+        Tests if wxAny is null (that is, whether there is no data).
     */
     bool IsNull() const
     {
diff --git a/interface/wx/any.h b/interface/wx/any.h
index 605fb77f3f..5396ecaf73 100644
--- a/interface/wx/any.h
+++ b/interface/wx/any.h
@@ -154,7 +154,7 @@ public:
     bool HasSameType(const wxAny& other) const;
 
     /**
-        Tests if wxAny is null (that is, whether there is data).
+        Tests if wxAny is null (that is, whether there is no data).
     */
     bool IsNull() const;