[expected.object.monadic] Usual "for some invented variable" wording

tkoeppe · tkoeppe · commit 53b8b3a97175 · 2022-12-15T18:40:55.000Z
diff --git a/source/utilities.tex b/source/utilities.tex
@@ -8490,7 +8490,7 @@
 \begin{codeblock}
 U u(invoke(std::forward<F>(f), std::move(value())));
 \end{codeblock}
-is well-formed.
+is well-formed for some invented variable \tcode{u}.
 
 \pnum
 \effects
