Apply minor corrections in README and docs

Author: molinav

README.md

@@ -16,7 +16,7 @@ Basic requirements are the following:
 Optional requirements include:
 
 * [OWSLib](https://github.com/geopython/OWSLib). It is needed for the
-  `Basemap.wmsimage` function.
+  method `Basemap.wmsimage`.
 
 * [Pillow](https://github.com/python-pillow/Pillow). It is needed for
   the methods `Basemap.bluemarble`, `Basemap.etopo`,

packages/basemap/doc/source/users/geography.rst

@@ -3,8 +3,7 @@
 Drawing a Map Background
 ========================
 
-Basemap includes the GSSH (now
-`GSHHG <https://www.soest.hawaii.edu/pwessel/gshhg/>`_)
+Basemap includes the `GSHHG <https://www.soest.hawaii.edu/pwessel/gshhg/>`_
 coastline dataset, as well as datasets for rivers, state and
 country boundaries from 
 `GMT <https://www.generic-mapping-tools.org/>`_.

packages/basemap/doc/source/users/installation.rst

@@ -38,8 +38,8 @@ can be installed separately if needed:
 
     conda install -c conda-forge basemap-data-hires
 
-Installation from source
-------------------------
+Installing from source
+----------------------
 
 Optionally, you can also install ``basemap`` from its source hosted
 on GitHub as indicated in the following steps: