minor tweaks to 4.9.1 release notes

Author: boegel

RELEASE_NOTES

@@ -14,20 +14,20 @@ update/bugfix release
   - add terse support to `--missing-modules` (#4407)
   - adapt version pattern for EnvironmentModules to allow using development version (#4416)
   - use `--all` option with EnvironmentModules v4.6+ to get available hidden modules (#4417)
-  - add support for appending to path environment variables via `modextrapaths_append` (and add corresponding `allow_append_abs_path`) (#4436)
+  - add support for appending to path environment variables via `modextrapaths_append` + add corresponding `allow_append_abs_path` (#4436)
   - improve output produced by `--check-github` (#4437)
-  - add script for updating local git repos with develop branch (#4438)
+  - add script for updating local git repos with `develop` branch (#4438)
   - show error when multiple PR options are passed (#4440)
   - improve `findPythonDeps` script to recognize non-canonical package names (#4445)
   - add support for `--from-commit` and `--include-easyblocks-from-commit` (#4468)
   - improve logging & handling of (empty) `--optarch` values (#4481)
-  - add `--short` option to findUpdatedEcs (#4488)
+  - add `--short` option to `findUpdatedEcs` script (#4488)
   - add generic GCC and Clang compiler flags for RISC-V (#4489)
 - various bug fixes, including:
-  - clean up log file of EasyBlock instance in `check_sha256_checksums` (#4452)
+  - clean up log file of `EasyBlock` instance in `check_sha256_checksums` (#4452)
   - fix description of `backup-modules` configuration option (#4456)
   - replace `'` with `"` for `printf` in CI workflow for running test suite to have bash replace a variable  (#4461)
-  - use `cp -dR` instead of `cp -a` for shell script extraction (#4465)
+  - use `cp -dR` instead of `cp -a` for shell script "extraction" (#4465)
   - fix link to documentation in `close_pr` message (#4466)
   - fix `test_github_merge_pr` by using more recent easyconfigs PR (#4470)
   - add workaround for 404 error when installing packages in CI workflow for testing Apptainer integration (#4472)