minor formatting fixes

Author: Ed Costello

source/reference/command/addShard.txt

@@ -28,6 +28,12 @@ addShard
 
       { addShard: "<hostname>:<port>" }
 
+   .. example::
+
+      .. code-block:: javascript
+
+         db.runCommand({addShard: "mongodb0.example.net:27027"})
+
    Replace ``<hostname>:<port>`` with the hostname and port of the
    database instance you want to add as a shard.
 
@@ -48,6 +54,12 @@ addShard
 
       { addShard: "replica-set/hostname:port" }
 
+   .. example::
+
+      .. code-block:: javascript
+
+         db.runCommand({ addShard: "repl0/mongodb3.example.net:27327"})
+
    If you specify additional hostnames, all must be members of the same
    replica set.
 
@@ -66,7 +78,7 @@ addShard
 
    .. seealso::
 
-      :method:`sh.addShard()`,
-      :doc:`/administration/sharding`,
-      :doc:`/tutorial/add-shards-to-shard-cluster`,
-      :doc:`/tutorial/remove-shards-from-cluster`
+      * :method:`sh.addShard()`
+      * :doc:`/administration/sharding`
+      * :doc:`/tutorial/add-shards-to-shard-cluster`
+      * :doc:`/tutorial/remove-shards-from-cluster`

source/reference/method/sh.addShard.txt

@@ -38,15 +38,25 @@ sh.addShard()
    If you specify additional hostnames, all must be members of the same
    replica set.
 
-   The :method:`~sh.addShard()` method is a helper for the
+   .. code-block:: javascript
+
+      sh.addShard("set-name/seed-hostname")
+
+   .. example::
+
+      .. code-block:: javascript
+
+         sh.addShard("repl0/mongodb3.example.net:27327")
+
+   The :method:`sh.addShard()` method is a helper for the
    :dbcommand:`addShard` command.
    The :dbcommand:`addShard` command has additional options which are
    not available with this helper.
 
    .. seealso::
 
-      :dbcommand:`addShard`,
-      :doc:`/administration/sharding`,
-      :doc:`/tutorial/add-shards-to-shard-cluster`,
-      :doc:`/tutorial/remove-shards-from-cluster`
+      * :dbcommand:`addShard`
+      * :doc:`/administration/sharding`
+      * :doc:`/tutorial/add-shards-to-shard-cluster`
+      * :doc:`/tutorial/remove-shards-from-cluster`