Update Bounty_18_weekly_report_06_12_2021_12_12_2021.md

bounties/reports/weekly-bounty-report/Bounty_18_weekly_report_06_12_2021_12_12_2021.md

@@ -1,4 +1,4 @@
-# Report bounty 18 (15th week)
+# Report bounty 18 (16th week)
 ### Bounty 18 has been verified under the new rules. New document :
 
 https://github.com/Joystream/community-repo/blob/master/bounties/reports/Adding_new_conditions_to_Bounty_18.md