Update email link for Sumitra's feedback

Author: Felicity Chapman

docs/ql-documentation/support/language-support.rst

@@ -6,7 +6,7 @@ QL and LGTM version |version| support analysis of the following languages compil
 Note that where there are several versions or dialects of a language, the supported variants are listed.
 If your code requires a particular version of a compiler, check that this version is included below. 
 Customers with any questions should contact their usual Semmle contact with any questions. 
-If you're not a customer yet, `contact us <info@semmle.com>`_ 
+If you're not a customer yet, contact us at info@semmle.com 
 with any questions you have about language and compiler support.
 
 .. csv-table::