Fix typos

Co-authored-by: Sadie L. Bartholomew <[email protected]>

Author: davidhassell

cf/aggregate.py

@@ -4732,7 +4732,7 @@ def _aggregate_2_fields(
             anc0["hash_value"] = hash_value0 + hash_value1
 
             # The result of aggregating a promoted amd non-promoted
-            # field ancillary is a non-promoted fierld ancillary
+            # field ancillary is a non-promoted field ancillary
             if (
                 key0 in m0.promoted_field_ancillaries
                 and key1 not in m1.promoted_field_ancillaries
@@ -5011,7 +5011,7 @@ def _fix_promoted_field_ancillaries(output_meta, axes_aggregated):
 
         output_meta: `list`
             The list of `_Meta` objects. If any include promoted field
-            ancillaries then thses will be updated in-place.
+            ancillaries then these will be updated in-place.
 
     :Returns:
 

cf/data/data.py

@@ -2804,7 +2804,7 @@ def _concatenate_conform_units(cls, data1, units0, relaxed_units, copy):
         """Check and conform the units of data prior to concatenation.
 
         This is a helper function for `concatenate` that may be easily
-        overridden in sublcasses, to allow for customisation of the
+        overridden in subclasses, to allow for customisation of the
         concatenation process.
 
         .. versionadded:: NEXTVERSION
@@ -2853,7 +2853,7 @@ def _concatenate_conform_units(cls, data1, units0, relaxed_units, copy):
         else:
             raise ValueError(
                 "Can't concatenate: All the input arrays must have "
-                "equivalent units. Got {units0!r} and {units1!r}"
+                f"equivalent units. Got {units0!r} and {units1!r}"
             )
 
         return data1
@@ -2865,7 +2865,7 @@ def _concatenate_post_process(
         """Post-process concatenated data.
 
         This is a helper function for `concatenate` that may be easily
-        overridden in sublcasses, to allow for customisation of the
+        overridden in subclasses, to allow for customisation of the
         concatenation process.
 
         .. versionadded:: NEXTVERSION

cf/read_write/um/umread.py

@@ -567,7 +567,7 @@ def __init__(
                 Unpacking is determined by netCDF conventions for the
                 following variable attributes ``add_offset`` and
                 ``scale_factor``, as applied to lookup header entries
-                BDATUM and BMKS repectively.
+                BDATUM and BMKS respectively.
 
                 .. versionadded:: NEXTVERSION
 
@@ -3499,7 +3499,7 @@ def read(
                 Unpacking is determined by netCDF conventions for the
                 following variable attributes ``add_offset`` and
                 ``scale_factor``, as applied to lookup header entries
-                BDATUM and BMKS repectively.
+                BDATUM and BMKS respectively.
 
                 .. versionadded:: NEXTVERSION