Update docstring

major_projects_grabber/major_projects_grabber.py

@@ -3,10 +3,10 @@ Download documents from the NSW DPE Major Projects website.
 
 Example usage:
     # Grab a single project modification using its job id, and save in 'files'
-    major_projects_grabber -o files -i 1746
+    major_projects_grabber -i 1746 -o files
 
     # Grab all modifications in search results page, and save in current folder
-    major_projects_grabber "http://majorprojects.planning.nsw.gov.au/index.pl?action=search&authority_id=547"
+    major_projects_grabber -u "http://majorprojects.planning.nsw.gov.au/index.pl?action=search&authority_id=547"
 
 """
 
@@ -137,7 +137,7 @@ def main():
     major_projects_grabber -i 1746 -o files
 
     # Grab all modifications in search results page, and save in current folder
-    major_projects_grabber http://majorprojects.planning.nsw.gov.au/index.pl?action=search&authority_id=547
+    major_projects_grabber -u http://majorprojects.planning.nsw.gov.au/index.pl?action=search&authority_id=547
     """
 
     # Set up command line arguments