docs: fixing errors in PostgreSQL setup fixes #4174

docs/install/using-postgresql.rst

@@ -1,24 +1,24 b''
 .. _install-postgresql-database:
 
 PostgreSQL
 ----------
 
-To use a PostgreSQL database you should install and configurevthe database
-before installing |RCV|. This is becausevduring |RCV| installation you will
-setup a connection to your PostgreSQL database. To work with PostgreSQL,
+To use a PostgreSQL database, you should install and configure the database
+before installing |RCV|. This is because during |RCV| installation you will
+setup the connection to your PostgreSQL database. To work with PostgreSQL,
 use the following steps:
 
-1. Depending on your |os|, install avPostgreSQL database following the
+1. Depending on your |os|, install a PostgreSQL database following the
    appropriate instructions from the `PostgreSQL website`_.
-2. Configure the database with a username and password which you will use
+2. Configure the database with a username and password, which you will use
    with |RCV|.
 3. Install |RCV|, and during installation select PostgreSQL as your database.
-4. Enter the following information to during the database setup:
+4. Enter the following information during the database setup:
 
    * Your network IP Address
-   * The port number for MySQL access. The default MySQL port is ``5434``
+   * The port number for PostgreSQL access; the default port is ``5434``
    * Your database username
    * Your database password
    * A new database name
 
 .. _PostgreSQL website: http://www.postgresql.org/