Apply feedback from #130 (#151)

This applies the feedback from PR #130 in this comment:

#130 (comment)

specs/language/introduction.tex

@@ -51,8 +51,9 @@
 
 \p This document aims to use terms consistent with their definitions in
 \gls{isoC} and \gls{isoCPP}. In cases where the definitions are unclear, or
-where this document diverges, refer to the remaining sections in this
-chapter and the attached \nameref{main}.
+where this document diverges from \gls{isoC} and \gls{isoCPP}, the definitions
+in this section, the remaining sections in this chapter, and the attached
+glossary (\ref{main}) supersede other sources.
 
 \Sec{Runtime Targeting}{Intro.Runtime}