Minor tweak to discussion in 4295

Author: jwakely

xml/issue4295.xml

@@ -17,8 +17,8 @@ is constexpr in libc++ but not the comparisons. The proposed resolution has
 been implemented and tested in libstdc++.
 </p>
 <p>
-If we ever rebase the TS on a new C++ standard the comparisons should all be
-updated like so:
+If we ever rebase the TS on a new C++ standard (or put `observer_ptr` into
+the standard) the comparisons should all be updated like so:
 </p>
 
 <blockquote>