Minor changes

Author: VinithKrishnan

src/identifiers.md

@@ -21,8 +21,8 @@ that does _not_ occur in the set of [keywords].
 
 Links to Unicode descriptions:
 
-   * XID_start:http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5B%3AXID_Start%3A%5D&abb=on&g=&i=
-   * XID_continue:http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5B%3AXID_Continue%3A%5D&abb=on&g=&i=
+   * `XID_start` :http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5B%3AXID_Start%3A%5D&abb=on&g=&i=
+   * `XID_continue` :http://unicode.org/cldr/utility/list-unicodeset.jsp?a=%5B%3AXID_Continue%3A%5D&abb=on&g=&i=
 
 
 [keywords]: ../grammar.html#keywords