fix sphinx errors with incorrect backticks

In these cases two backticks must be used instead of one.

Change-Id: I4b09f296c5fa1cd2740f34efa9561522eec2d4e9
Signed-off-by: Doug Goldstein <cardoe@cardoe.com>

doc/source/configuration.rst

@@ -44,13 +44,13 @@ Example of configuration
      - ``Yes``
    * - sensor_data
      - interval
-     - 600 (`default`)
+     - 600 (``default``)
      - Seconds between conductor sending sensor data message via the
        notification bus.
      - No
    * - sensor_data
      - enable_for_undeployed_nodes
-     - false (`default`)
+     - false (``default``)
      - When set to true, the conductor will collect sensor
        information from all nodes when sensor data collection is
        enabled via the ``send_sensor_data`` setting.

doc/source/install.rst

@@ -35,10 +35,10 @@ on RDO, it can also be installed using `bifrost`_.
    $ pip install entry_point_inspector --user <user>
    $ epi group show oslo.messaging.notify.drivers
 
-- Output in case of a successful installation: `prometheus_exporter` is listed
-  in the `Name` column and the `Error` column should be empty.
-- Output in case of an unsuccessful installation: `prometheus_exporter` is
-  listed in the `Name` column and the `Error` column will have more
+- Output in case of a successful installation: ``prometheus_exporter`` is
+  listed in the ``Name`` column and the ``Error`` column should be empty.
+- Output in case of an unsuccessful installation: ``prometheus_exporter`` is
+  listed in the ``Name`` column and the ``Error`` column will have more
   information.
 
 

doc/source/limitations.rst

@@ -1,8 +1,8 @@
 Limitations
 ===========
 
-* The only hardware types that have support for sensor data are `ipmi` and
-  `redfish` (If a new hardware type adds support we need to add a parser for
+* The only hardware types that have support for sensor data are ``ipmi`` and
+  ``redfish`` (If a new hardware type adds support we need to add a parser for
   it).
 * We can only deal with `Gauge metrics
   <https://prometheus.io/docs/practices/instrumentation/#counter-vs-gauge-summary-vs-histogram>`_.