Update C2998 error message and add blockquotes

Author: Rageking8

docs/error-messages/compiler-errors-2/compiler-error-c2998.md

@@ -8,7 +8,7 @@ ms.assetid: 8193d491-b5d9-4477-acb1-cf166889c070
 ---
 # Compiler Error C2998
 
-'identifier' : cannot be a template definition
+> '*identifier*': cannot be a template definition
 
 The compiler could not process the syntax used in the template definition.
 

docs/error-messages/compiler-errors-2/compiler-errors-c2900-through-c3499.md

@@ -113,7 +113,7 @@ The articles in this section of the documentation explain a subset of the error
 | [Compiler error C2995](compiler-error-c2995.md) | '*declaration*': function template has already been defined |
 | [Compiler error C2996](compiler-error-c2996.md) | '*function*': recursive function template definition |
 | Compiler error C2997 | '*function*': array bound cannot be deduced from a default member initializer |
-| [Compiler error C2998](compiler-error-c2998.md) | '*declarator*': cannot be a template definition |
+| [Compiler error C2998](compiler-error-c2998.md) | '*identifier*': cannot be a template definition |
 
 ## See also