Fix typo

Signed-off-by: Tomasz Jankowski <tomasz1.jankowski@intel.com>

src/core/tests/rtti.cpp

@@ -101,7 +101,7 @@ class DerivedIncompleteRtti : public IncompleteRtti {
     OPENVINO_RTTI("DerivedIncompleteRtti", "rtti_test", IncompleteRtti);
 };
 
-// Assert backward compatibility of RTTI definition without parent but casted with as_type or as_type pointer work
+// Assert backward compatibility of RTTI definition without parent but casted with as_type or as_type_ptr pointer work.
 TEST(rtti, assert_casting_without_parent) {
     {
         IncompleteRtti incomplete;