Update package readme

Author: ocean90

README.md

@@ -403,10 +403,21 @@ network|site cache, please see docs for `wp transient`.
     $ wp transient delete --expired
     Success: 12 expired transients deleted from the database.
 
+    # Delete expired site transients.
+    $ wp transient delete --expired --network
+    Success: 1 expired transient deleted from the database.
+
     # Delete all transients.
     $ wp transient delete --all
     Success: 14 transients deleted from the database.
 
+    # Delete all site transients.
+    $ wp transient delete --all --network
+    Success: 2 transients deleted from the database.
+
+    # Delete all transients in a multsite.
+    $ wp transient delete --all --network && wp site list --field=url | xargs -n1 -I % wp --url=% transient delete --all
+
 
 
 ### wp transient get
@@ -496,15 +507,15 @@ wp transient type
 ~~~
 
 Indicates whether the transients API is using an object cache or the
-options table.
+database.
 
 For a more complete explanation of the transient cache, including the
 network|site cache, please see docs for `wp transient`.
 
 **EXAMPLES**
 
     $ wp transient type
-    Transients are saved to the wp_options table.
+    Transients are saved to the database.
 
 ## Installing