fixup changelog

Author: gpshead

CHANGELOG.md

@@ -3,10 +3,11 @@
 ## 2.1.0 (unreleased)
 
 * Add automation support to `blurb add` command:
-  * New `--gh_issue` option to specify GitHub issue number
+  * New `--gh-issue` option to specify GitHub issue number
   * New `--section` option to specify NEWS section
-  * New `--rst_on_stdin` option to read entry content from stdin
+  * New `--rst-on-stdin` option to read entry content from stdin
   * Useful for CI systems and automated tools
+* Uses `cyclopts` for command line parsing instead of rolling our own to reduce our code size, this changes the help format and brings in a dependency.
 
 ## 2.0.0
 

README.md

@@ -83,10 +83,10 @@ For automated tools and CI systems, `blurb add` supports non-interactive operati
 
 ```bash
 # Add a blurb entry from stdin
-echo "Added beans to the :mod:`spam` module." | blurb add \
-    --gh_issue 123456 \
+echo 'Added beans to the :mod:`spam` module.' | blurb add \
+    --gh-issue 123456 \
     --section Library \
-    --rst_on_stdin
+    --rst-on-stdin
 ```
 
 When using `--rst_on_stdin`, both `--gh_issue` and `--section` are required.