Merge pull request #322 from wp-cli/regenerate-readme

Regenerate README file

Author: ernilambar

README.md

@@ -759,7 +759,22 @@ Defaults to all tables registered to the $wpdb database handler.
 		List tables based on wildcard search, e.g. 'wp_*_options' or 'wp_post?'.
 
 	[--scope=<scope>]
-		Can be all, global, ms_global, blog, or old tables. Defaults to all.
+		List tables based on the scope.
+
+		- all: returns 'all' and 'global' tables. No old tables are returned.
+		- blog: returns the blog-level tables for the queried blog.
+		- global: returns the global tables for the installation, returning multisite tables only on multisite.
+		- ms_global: returns the multisite global tables, regardless if current installation is multisite.
+		- old: returns tables which are deprecated.
+		---
+		default: all
+		options:
+		  - all
+		  - blog
+		  - global
+		  - ms_global
+		  - old
+		---
 
 	[--network]
 		List all the tables in a multisite install.