Update concepts-extensions.md

Author: GennadNY

articles/postgresql/flexible-server/concepts-extensions.md

@@ -396,7 +396,7 @@ SELECT cron.schedule_in_database('VACUUM','0 10 * * * ','VACUUM','testcron',null
 ```
 
 > [!NOTE]
-> pg_cron extension is preloaded in Shared_Preload_Libraries for every Azure Database for PostgreSQL -Flexible Server inside postgres database to provide you with ability to schedule jobs to run in other databases within your PostgreSQL DB instance without compromising security. However, fpr security reasons, you still have to [allow list](#how-to-use-postgresql-extensions) pg_cron extension and install it using [CREATE EXTENSION](https://www.postgresql.org/docs/current/sql-createextension.html) command.
+> pg_cron extension is preloaded in Shared_Preload_Libraries for every Azure Database for PostgreSQL -Flexible Server inside postgres database to provide you with ability to schedule jobs to run in other databases within your PostgreSQL DB instance without compromising security. However, for security reasons, you still have to [allow list](#how-to-use-postgresql-extensions) pg_cron extension and install it using [CREATE EXTENSION](https://www.postgresql.org/docs/current/sql-createextension.html) command.
 
 ## pg_stat_statements