[meta.rqmts] Use "declare" for typedef-names

Author: frederick-vs-ja

source/meta.tex

@@ -126,7 +126,7 @@
 modifies a property
 of a type. It shall be a class template that takes one
 template type argument and, optionally, additional arguments that help
-define the modification. It shall define a publicly accessible nested type
+define the modification. It shall declare a publicly accessible nested type
 named \tcode{type}, which shall be a synonym for the modified type.
 
 \pnum