FIXUP CWG2602: Apply missing edit.

Author: burblebee

source/declarations.tex

@@ -6256,7 +6256,7 @@
 A function explicitly defaulted on its first declaration
 is implicitly inline\iref{dcl.inline},
 and is implicitly constexpr\iref{dcl.constexpr}
-if it satisfies the requirements for a constexpr function.
+if it is constexpr-suitable.
 
 \pnum
 \begin{example}