README.md: fix authors section

Author: funbringer

README.md

@@ -665,7 +665,7 @@ All sections and data will remain unchanged and will be handled by the standard
 Do not hesitate to post your issues, questions and new ideas at the [issues](https://github.com/postgrespro/pg_pathman/issues) page.
 
 ## Authors
-Ildar Musin <i.musin@postgrespro.ru> Postgres Professional Ltd., Russia		
-Alexander Korotkov <a.korotkov@postgrespro.ru> Postgres Professional Ltd., Russia		
-Dmitry Ivanov <d.ivanov@postgrespro.ru> Postgres Professional Ltd., Russia		
+Ildar Musin <i.musin@postgrespro.ru> Postgres Professional Ltd., Russia  
+Alexander Korotkov <a.korotkov@postgrespro.ru> Postgres Professional Ltd., Russia  
+Dmitry Ivanov <d.ivanov@postgrespro.ru> Postgres Professional Ltd., Russia