Spelling and redundancy fix in README

Author: David Wikmans

README.md

@@ -283,9 +283,6 @@ This setting can be used to override the default postgresql PL/perl package name
 ####`python_package_name`
 This setting can be used to override the default postgresql Python package name. If not specified, the module will use whatever package name is the default for your OS distro.
 
-####`service_name`
-This setting can be used to override the default postgresql service name. If not specified, the module will use whatever service name is the default for your OS distro.
-
 ####`service_name`
 This setting can be used to override the default postgresql service provider. If not specified, the module will use whatever service name is the default for your OS distro.
 
@@ -295,7 +292,7 @@ This setting can be used to override the default status check command for your P
 ####`default_database`
 This setting is used to specify the name of the default database to connect with. On most systems this will be "postgres".
 
-####`inidb_path`
+####`initdb_path`
 Path to the `initdb` command.
 
 ####`createdb_path`