Polish contribution

Closes gh-5204

spring-boot-docs/src/main/asciidoc/deployment.adoc

@@ -657,9 +657,10 @@ a `.conf` file,
 	LOG_FOLDER=/custom/log/folder
 ----
 
-The file should be situated next to the jar file and have the same name but suffixed with
+The file is expected next to the jar file and have the same name but suffixed with
 `.conf` rather than `.jar`. For example, a jar named `/var/myapp/myapp.jar` will use the
-configuration file named `/var/myapp/myapp.conf` if it exists.
+configuration file named `/var/myapp/myapp.conf` if it exists. You can also use the
+`CONF_FOLDER` property to customize the location of that file.
 
 To learn about securing this file appropriately, please refer to
 <<deployment-initd-service-securing,the guidelines for securing an init.d service>>.