DOC: small text edit in the CHANGELOG

Author: pavoljuhas

CHANGELOG.md

@@ -4,16 +4,16 @@
 
 ### Added
 
-- Function `FindSpaceGroup` for SpaceGroup lookup from its list
+- Function `FindSpaceGroup` for space group lookup from its list
   of symmetry operations.
 
 ### Changed
 
-- Reuse existing `SpaceGroup` object when loading a CIF file.
-- Simplified check of SpaceGroup names in `GetSpaceGroup`.
+- Reuse existing `SpaceGroup` instance when loading a CIF file.
+- Improve check of SpaceGroup identifiers in `GetSpaceGroup`.
 - When loading CIF file, preset `Atom.anisotropy` according
   to symmetry constraints at each site.  Adhere to specific
-  atom site ADP type if specified in the CIF.
+  ADP type when specified in the CIF.
 
 ### Removed
 
@@ -22,11 +22,11 @@
 ### Fixed
 
 - Fix inconsistent (`Atom`, `Structure`) pickle.  Preserve `Atom`
-  ownership in a `Structure` after unpickling.
-- Spuriously linked array views after `stru.xyz = 0`.
+  ownership in a `Structure` after pickling and unpickling.
+- Spuriously linked array-view values after `stru.xyz = 0`.
 - Preserve scalar value type when setting `stru.occupancy = value`.
 - Process unknown CIF occupancy "?" as an occupancy of 1.
-- Incorrect `SymOp` list for spacegroup B11m (number 1008).
+- Incorrect `SymOp` list for spacegroup "B11m" (number 1008).
 
 
 ## Version 3.0.0 – 2019-03-11