[temp.over] Fix example

Author: languagelawyer

source/templates.tex

@@ -9291,9 +9291,8 @@
 \tcode{f}
 is only declared and not defined at the point of the call.
 The program will be ill-formed unless a specialization for
-\tcode{f<const char*>},
-either implicitly or explicitly generated,
-is present in some translation unit.
+\tcode{f<const char*>}
+is explicitly instantiated in some translation unit\iref{temp.pre}.
 \end{example}
 
 \indextext{template|)}