Re #1766 minor formatting

documentation/release_notes/v4.0.md

@@ -18,14 +18,16 @@ In particular they provide the following benefits:
  (no need to learn anything new, for big jobs!).
 
 - New symmetry operations and ways of symmetrizing sqw objects.
-  - Multiple reductions in a single `symmetrize_sqw` call, rotationally symmetric reduction.
+  - Multiple reductions in a single `symmetrize_sqw` call, 
+    rotationally symmetric reduction.
   - Symmetrised cuts which can be more efficient and more general.
 
 - Extended parallel capabilities
   - New parallel algorithms for `sqw_eval` and fitting.
 
 - New more efficient and flexible binary format.
-  - **NOTE:** Horace can read previous versions of sqw files, however, sqw files produced by Horace v4+ can not be read by previous versions of Horace.
+  - **NOTE:** Horace can read previous versions of sqw files, however, sqw
+    files produced by Horace v4+ can not be read by previous versions of Horace.
 
 
 ## Breaking Changes
@@ -65,13 +67,13 @@ In particular they provide the following benefits:
   with multiple node requests and automatically handle threading.
 
 - `threads` and `parallel_workers` have migrated from
-  `hpc_config` to `parallel_config`
+  `hpc_config` to `parallel_config`.
 
 - `herbert_config` has been deprecated and features of
-  `herbert_config` have migrated to `hor_config`
+  `herbert_config` have migrated to `hor_config`.
 
 - `fit_sqw` function have been removed in favour of
-   direct usage of `multifit_sqw` class
+   direct usage of `multifit_sqw` class.
 
 - More than 1,000 additional tasks making substantial additions and
   improvements to algorithms and design: