Update README.md

README.md

@@ -34,14 +34,22 @@ cargo install --path .
 clear-docker-images <OPTIONS>
 ```
 
-## Flags
+## Options
 
 ```bash
+USAGE:
+    clear-docker-images [OPTIONS] [REPOSITORY]
+
+ARGS:
+    <REPOSITORY>
+            filter by repository name
+
+OPTIONS:
     -d, --date <DATE>
             filter by date.
 
-          Can filter by a minimum age $DATE or from $FROM|$TO (format example: YYYY-MM-DD or YYYY-MM-DDTHH:MM:SS)
-          [default: $NOW - 2 days]
+            Can filter by a minimum age $DATE or from $START|$STOP (format example: YYYY-MM-DD or
+            YYYY-MM-DDTHH:MM:SS) [default: $NOW - 2d]
 
         --dry-run
             image cleanup will not be triggered [default: false]
@@ -52,9 +60,6 @@ clear-docker-images <OPTIONS>
     -h, --help
             Print help information
 
-  -r, --repository <REPOSITORY>
-          filter by repository name
-
     -t, --tags <TAGS>
             add tags exclusion