made some clarifications in one of the comments in class String

String.cpp

@@ -163,7 +163,7 @@ std::istream& operator>>(std::istream& is, String& str)
     if (str._str)                                 // if there is some old data, release it
         str._str->operator--();
 
-    str._str = new StringValue(data.release());   // get ownership of final data
+    str._str = new StringValue(data.release());   // set owner of final data
 
     return is;
 }