Make CHANGELOG more accurate

README.md

@@ -940,17 +940,19 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md).
 
   * code with `_` in numeric literals is recognized as Python 3.6+
 
-  * most letters in numeric literals are lowercased (e.g., in `1e10` or `0xab`)
+  * most letters in numeric literals are lowercased (e.g., in `1e10`, `0x01`)
+
+  * hexadecimal digits are always uppercased (e.g. `0xBADC0DE`)
 
 * added `blackd`, see [its documentation](#blackd) for more info (#349)
 
 * adjacent string literals are now correctly split into multiple lines (#463)
 
+* trailing comma is now added to single imports that don't fit on a line (#250)
+
 * cache is now populated when `--check` is successful for a file which speeds up
   consecutive checks of properly formatted unmodified files (#448)
 
-* code with `_` in numeric literals is recognized as Python 3.6+ (#461)
-
 * fixed unstable formatting when unpacking big tuples (#267)
 
 * fixed parsing of `__future__` imports with renames (#389)
@@ -966,9 +968,6 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md).
   to be a bad idea (#415)
 
 
-* trailing comma is now added to single imports that don't fit on a line (#250)
-
-
 ### 18.6b4
 
 * hotfix: don't freeze when multiple comments directly precede `# fmt: off` (#371)