docs: fix config

Author: alexander popov

packaging/conf/example.conf

@@ -168,7 +168,7 @@ interval = 2
 interval = 60
 
 # Get size of relations defined in this section
-# Relations - comma separated list of objects - tables and endexes (schema.relation) to calculate relations size.
+# Relations - comma separated list of objects - tables and endexes (schema.relation) used to calculate relations size.
 # Example:
 # relations=pg_catalog.pg_class,pg_catalog.pg_user
 # If the relation is blocked by some process such as vacuum full or create index, the result will be -1
@@ -188,7 +188,7 @@ max_prepared_transaction_time = 60
 interval = 60
 
 # Get size of backup catalogs stroring all WAL and backup files using pg_probackup
-# S(https://github.com/postgrespro/pg_probackup)
+# (https://github.com/postgrespro/pg_probackup)
 # Trigger fires if some backup has bad status e.g. (ERROR,CORRUPT,ORPHAN).
 [pgprobackup]
 enabled = False