Clarify script module documentation a minor amount.

library/script

@@ -2,11 +2,12 @@
 DOCUMENTATION = """
 ---
 module: script
-short_description: Runs a local script on a remote node
+short_description: Runs a local script on a remote node after transferring it
 description:
      - The M(script) module takes the script name followed by a list of
        space-delimited arguments.
-     - The given script will be processed through the shell environment.
+     - The pathed local script will be transfered to the remote node and then executed.
+     - The given script will be processed through the shell environment on the remote node.
      - This module does not require python on the remote system, much like
        the M(raw) module.
 options:
@@ -20,7 +21,7 @@ examples:
   - description: "Example from Ansible Playbooks"
     code: "action: script /some/local/script.sh --some-arguments 1234"
 notes:
-  - It is preferable to write Ansible modules than pushing scripts. Convert your script to an Ansible module for bonus points!
+  - It is usually preferable to write Ansible modules than pushing scripts. Convert your script to an Ansible module for bonus points!
 author: Michael DeHaan
 """