Refine CC-B-SA license selectivity

Signed-off-by: Philippe Ombredanne <pombredanne@nexb.com>

Author: pombredanne

src/licensedcode/data/rules/cc-by-nc-sa-3.0_22.RULE

@@ -7,5 +7,5 @@ ignorable_urls:
 ---
 
 This book is licensed under a Creative Commons 
-http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US [Attribution-NonCommercial-ShareAlike 3.0 Unported] license. 
-For more information, please see the Creative Commons page.
+http://creativecommons.org/licenses/by-nc-sa/3.0/deed.en_US [{{Attribution-NonCommercial-ShareAlike 3.0}} Unported] license. 
+For more information, please see the Creative Commons page.