doc: update information about keys during the installation
@@ -182,7 +182,7 @@ A pre-built _mamonsu_ packages is provided in official Postgres Pro repository:
**For Debian, Ubuntu, Astra:**
```shell
-$ wget https://repo.postgrespro.ru/mamonsu/keys/apt-repo-add.sh
+$ wget https://repo.postgrespro.ru/mamonsu/keys/pgpro-repo-add.sh
$ sudo chmod 700 ./apt-repo-add.sh
$ sudo ./apt-repo-add.sh
$ apt-get install mamonsu
@@ -190,7 +190,7 @@ $ apt-get install mamonsu
**For RPM-based distros such as Centos, RHEL, Oraclelinux, SLES, AltLinux, AltLinux-spt:**
Install rpm from repository adding name of the specific distro such as:
```shell
-$ rpm -i https://repo.postgrespro.ru/mamonsu/keys/centos.rpm
+$ rpm -i https://repo.postgrespro.ru/mamonsu/keys/pgpro-repo-add.sh
```
Install package
- for RH-like:
