[meta.syn] Fix phrasing in note

Fixes NB US 88-163 (C++26 CD).

Author: jensmaurer

source/meta.tex

@@ -3303,7 +3303,7 @@
 can represent implementation-specific constructs\iref{basic.fundamental}.
 \end{note}
 \begin{note}
-The behavior of many of the functions specified in namespace \tcode{std::meta}
+Many of the functions specified in namespace \tcode{std::meta}
 have semantics that can be affected by
 the completeness of class types represented by reflection values.
 For such functions,