Update installing.mdx

Author: nidhibhammar

advocacy_docs/pg_extensions/spl_check/installing.mdx

@@ -2,20 +2,18 @@
 title: "Installing EDB SPL Check"
 ---
 
-## Install the package
-
-The syntax for the package install command is:
+The syntax to install the package is:
 
 ```shell
 sudo <package-manager> -y install edb-<postgres><postgres_version>-spl-check
 ```
 
 Where: 
-- `<package-manager>`is the package manager used with your operating system:
+- `<package-manager>` is the package manager used with your operating system:
 
   | Package manager |             Operating system     |
   | --------------- | -------------------------------- |
-  | dnf             | RHEL 8/9 and derivatives           |
+  | dnf             | RHEL 8/9 and derivatives         |
   | yum             | RHEL 7 and derivatives, CentOS 7 |
   | zypper          | SLES                             |
   | apt-get         | Debian and derivatives           |