[temp.dep.type] Clarify that a simple-template-id denotes a type

Author: jensmaurer

source/templates.tex

@@ -4972,8 +4972,7 @@
 \item
 a function type whose exception specification is value-dependent,
 \item
-a
-\grammarterm{simple-template-id}
+denoted by a \grammarterm{simple-template-id}
 in which either the template name is a template parameter or any of the
 template arguments is a dependent type or an expression that is type-dependent
 or value-dependent or is a pack expansion