Apply suggestions from code review

Co-authored-by: Bénédikt Tran <[email protected]>

Author: StanFromIreland

Doc/using/cmdline.rst

@@ -75,7 +75,8 @@ source.
 
    .. versionchanged:: 3.14
       *command* is automatically dedented before execution.
-      Only supports spaces and tabs and doesn't normalize empty lines.
+  The auto-dedentation behavior only supports spaces and tabs,
+  and does not normalize empty lines.
 
 .. option:: -m <module-name>
 

Doc/whatsnew/3.14.rst

@@ -1188,8 +1188,8 @@ Other language changes
   (Contributed by Tomasz Pytel in :gh:`132329`.)
 
 * The command-line option :option:`-c` now automatically dedents its code
-  argument before execution. Only supports spaces and tabs and doesn't
-  normalize empty lines.
+  argument before execution. The auto-dedentation behavior only
+  supports spaces and tabs and does not normalize empty lines.
   (Contributed by Jon Crall and Steven Sun in :gh:`103998`.)
 
 * Improve error message when an object supporting the synchronous

Misc/NEWS.d/3.14.0b1.rst

@@ -1882,7 +1882,8 @@ Improve error message when :exc:`TypeError` occurs during
 .. section: Core and Builtins
 
 String arguments passed to "-c" are now automatically dedented.
-Only supports spaces and tabs and doesn't normalize empty lines.
+Only space-based and tab-based indentations are supported;
+empty lines are also not normalized.
 This allows "python -c" invocations to be indented
 in shell scripts without causing indentation errors. (Patch by Jon Crall and
 Steven Sun)