Spelling: make corrections & add to false positive list

Author: sadielbartholomew

cf/docstring/docstring.py

@@ -686,7 +686,7 @@
                             only the computationally cheap tests are
                             performed (checking that the coordinate
                             system, cyclicity, grid shape, regridding
-                            dimesionality, mesh location, and feature
+                            dimensionality, mesh location, and feature
                             type are the same), with the grid
                             coordinates not being checked. The
                             coordinates check will be carried out,

docs/source/spelling_false_positives.txt

@@ -209,6 +209,7 @@ hdf
 HDF
 Hovmuller
 hPa
+hyperrectangular
 iadd
 iand
 iaxes
@@ -269,6 +270,7 @@ lbtim
 le
 len
 linebreaks
+ln
 loadd
 lon
 lossy