Per #2276, add link to little_r format.

docs/Users_Guide/reformat_point.rst

@@ -182,12 +182,12 @@ _____________________
 The **beg** and **end** variables are used to stratify the model level of observations to be retained. The range shown above is 1 to 255.
 
 
-The **level_category** variable is used to specify a comma-separated list of PrepBUFR data level categories to retain. An empty string indicates that all level categories should be retained. Accepted values and their meanings are described in :numref:`table_reform-point_pb2nc_level_category`. See the following for more details:
+The **level_category** variable is used to specify a comma-separated list of PrepBUFR data level categories to retain. An empty string indicates that all level categories should be retained. Accepted values and their meanings are described in :numref:`table_reformat-point_pb2nc_level_category`. See the following for more details:
 
 `PrepBUFR mnemonic table. <https://www.emc.ncep.noaa.gov/mmb/data_processing/prepbufr.doc/table_1.htm>`_
 
 
-.. _table_reform-point_pb2nc_level_category:
+.. _table_reformat-point_pb2nc_level_category:
 
 .. list-table:: Values for the level_category option. 
    :widths: auto
@@ -307,9 +307,9 @@ The **vld_freq** and **vld_thresh** entries specify the required ratio of valid
 pb2nc output
 ------------
 
-Each NetCDF file generated by the PB2NC tool contains the dimensions and variables shown in :numref:`table_reform-point_pb2nc_output_dim` and :numref:`table_reform-point_pb2nc_output_vars`.
+Each NetCDF file generated by the PB2NC tool contains the dimensions and variables shown in :numref:`table_reformat-point_pb2nc_output_dim` and :numref:`table_reformat-point_pb2nc_output_vars`.
 
-.. _table_reform-point_pb2nc_output_dim:
+.. _table_reformat-point_pb2nc_output_dim:
 
 .. list-table:: NetCDF file dimensions for pb2n output
    :widths: auto
@@ -332,7 +332,7 @@ Each NetCDF file generated by the PB2NC tool contains the dimensions and variabl
    * - obs_var_num
      - Number of unique observation variable types (variable)							 
 
-.. _table_reform-point_pb2nc_output_vars:
+.. _table_reformat-point_pb2nc_output_vars:
 
 .. list-table:: NetCDF variables in pb2nc output
    :widths: auto
@@ -416,9 +416,9 @@ This section describes how to run the ASCII2NC tool. The ASCII2NC tool is used t
 
 While initial versions of the ASCII2NC tool only supported a simple 11 column ASCII point observation format, support for several additional formats has been added. It currently supports point observation data in the following formats:
 
-• default 11 column format, as described below
+• default 11 column format, as described in :numref:`table_reformat-point_ascii2nc_format`
 
-• little_r format
+• `little_r format <https://www2.mmm.ucar.edu/wrf/users/wrfda/OnlineTutorial/Help/littler.html>`_
 
 • `SURFace RADiation (SURFRAD) <http://www.esrl.noaa.gov/gmd/grad/surfrad/>`_ and Integrated Surface Irradiance Study (ISIS) formats
 
@@ -432,9 +432,9 @@ While initial versions of the ASCII2NC tool only supported a simple 11 column AS
 
 • Python embedding of point observations as described in :numref:`pyembed-point-obs-data`. See example below in :numref:`ascii2nc-pyembed`.
 
-The default ASCII point observation format consists of one row of data per observation value. Each row of data consists of 11 columns as shown in :numref:`table_reform-point_ascii2nc_format`.
+The default ASCII point observation format consists of one row of data per observation value. Each row of data consists of 11 columns as shown in :numref:`table_reformat-point_ascii2nc_format`.
 
-.. _table_reform-point_ascii2nc_format:
+.. _table_reformat-point_ascii2nc_format:
 
 .. list-table:: Input MET ascii2nc point observation format
   :widths: auto