diff --git a/DEV.md b/DEV.md
new file mode 100644
index 0000000..cd562f4
--- /dev/null
+++ b/DEV.md
@@ -0,0 +1,10 @@
+# Development Instructions
+
+## Create a Release
+
+```bash
+git commit -am "release: {VERSION}"
+git tag "v{VERSION}"
+git push
+git push --tags
+```
diff --git a/README.md b/README.md
index 6970c64..c124226 100644
--- a/README.md
+++ b/README.md
@@ -59,23 +59,14 @@ Options:
 ### Sync
 
 Sync subs in the folder `subs` with the subs on track 0 of videos in the current working directory, outputting the synced subs to `synced/`
-`subbub subtitles sync -s ./subs -o ./synced sync -r ./:0`
+`subbub subtitles sync --subtitles-path ./subs --output ./synced --reference-subtitles ./:0`
 
 ### Combine
 
 Combine subs in the folder `ja` with the subs on track 1 of videos in current working directory, outputting them to `dual-ja/`
-`subbub subtitles combine -s ./ja -o ./dual-ja -e ./:1`
+`subbub subtitles combine --subtitles-path ./ja --output ./dual-ja --secondary-subtitles ./:1`
 
 ### Match
 
 Match subs in the folder `subs/` with the videos in the current working directory, moving the subs next to the videos
-`subbub subtitles -i ./subs -o ./ match-videos`
-
-## Create a Release
-
-```bash
-git commit -am "release: {VERSION}"
-git tag "v{VERSION}"
-git push
-git push --tags
-```
+`subbub subtitles match-videos --subtitles-path ./subs --output ./ --video-path ./`
diff --git a/src/bin/subbub.rs b/src/bin/subbub.rs
index e72e8cf..ced2221 100644
--- a/src/bin/subbub.rs
+++ b/src/bin/subbub.rs
@@ -180,7 +180,7 @@ enum SubtitlesCommand {
         #[command(flatten)]
         video_path: VideoArgs,
         /// the suffix to place at the end of the subtitles file to distinguish it from other subtitle files in the same directory
-        #[arg(short = 's', long)]
+        #[arg(short = 'x', long)]
         suffix: Option<String>,
     },
     /// adds given subtitle(s) (-s/--subtitles) to the given video(s) (-v/--video_path)