[ci skip] minor changelog edit

Author: chaimleib

CHANGELOG.md

@@ -8,7 +8,7 @@ Version 2.1.0
     - `range()` method
     - `span()` method, for returning the difference between `end()` and `begin()`
 - Fixes: 
-    - `begin()` and `end()` methods used iterative `min()` and `max()` builtins instead of the more efficient `iloc` member available to `SortedDict`
+    - Speed improvement: `begin()` and `end()` methods used iterative `min()` and `max()` builtins instead of the more efficient `iloc` member available to `SortedDict`
     - `overlaps()` method used to return `True` even if provided null test interval
 - Maintainers:
     - Added coverage test (`make coverage`)

README.rst

@@ -361,9 +361,9 @@ Version 2.1.0
 
 -  Fixes:
 
-   -  ``begin()`` and ``end()`` methods used iterative ``min()`` and
-      ``max()`` builtins instead of the more efficient ``iloc`` member
-      available to ``SortedDict``
+   -  Speed improvement: ``begin()`` and ``end()`` methods used
+      iterative ``min()`` and ``max()`` builtins instead of the more
+      efficient ``iloc`` member available to ``SortedDict``
    -  ``overlaps()`` method used to return ``True`` even if provided
       null test interval