minor edit

Author: Bob Grabar

source/core/sharding-internals.txt

@@ -532,9 +532,6 @@ field. For example:
 If the application is instead connected to a :program:`mongod`, the
 returned document does not include the ``isdbgrid`` string.
 
-As another option, you can use the :dbcommand:`isdbgrid` command. This
-command, however, has limitations. See :dbcommand:`isdbgrid`.
-
 Config Database
 ---------------