Updated README

README.md

@@ -4,13 +4,15 @@ A helpful script for simplifying connections to servers and devices on your netw
 
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 ## Shell Setup
-Add the script as a source file in your shell prompt, such as a line similar to this:
+Add the script as a source file in your shell prompt, exporting any config variables, such as with lines similar to this:
 
 ```
+# Tab Sorcery
+export SORC_GEOM_RDP='1600x900'	#Window resolution for RDP connections
 . $HOME/git/tab-sorcery/tab-sorcery.sh example.com 127.0.0.1 bob.user
 ```
 
-Arguments are:
+Arguments for the script are required, in the following order:
 ```
 Scan Domain (example.com)
 Nameserver address (127.0.0.1)