Adds documentation section for module-level methods

Author: jasonb5

docs/api.rst

@@ -39,6 +39,17 @@ Below is a list of top-level API functions that are available in ``xcdat``.
     create_zonal_grid
     tutorial.open_dataset
 
+Module-level API Functions
+--------------------------
+
+Below is a list of model-level API functions that are available in ``xcdat``.
+
+.. autosummary::
+    :toctree: generated/
+
+    mask.pcmdi_land_sea_mask
+
+
 Accessors
 ---------
 

xcdat/mask.py

@@ -76,7 +76,7 @@ def mask_land(
             dataset. By default False.
         **options : Any
             These options are passed directly to the ``method``. See specific
-            method documentation for available options; :func:`pcmdi_land_sea_mask` for PCMDI options.
+            method documentation for available options; :func:`mask.pcmdi_land_sea_mask` for PCMDI options.
 
         Returns
         -------
@@ -144,7 +144,7 @@ def mask_sea(
             dataset. By default False.
         **options : Any
             These options are passed directly to the ``method``. See specific
-            method documentation for available options; :func:`pcmdi_land_sea_mask` for PCMDI options
+            method documentation for available options; :func:`mask.pcmdi_land_sea_mask` for PCMDI options
 
         Returns
         -------