ref: state exp names shoold be unique

rel. iterative/dvc#6848

content/docs/command-reference/exp/run.md

@@ -33,7 +33,7 @@ you can use the `--set-param` (`-S`) option of this command to change
 `dvc param` values on-the fly.
 
 Each experiment creates and tracks a project variation based on your
-<abbr>workspace</abbr> changes. Experiments will have an auto-generated name
+<abbr>workspace</abbr> changes. Experiments will have a unique, auto-generated name
 like `exp-bfe64` by default, which can be customized using the `--name` (`-n`)
 option.
 
@@ -159,8 +159,8 @@ CPU cores).
   file (`params.yaml` by default). This will override the param values coming
   from the params file.
 
-- `-n <name>`, `--name <name>` - specify a name for this experiment. A default
-  name will generated by default, such as `exp-f80g4` (based on the experiment's
+- `-n <name>`, `--name <name>` - specify a unique name for this experiment. A default
+  one will generated otherwise, such as `exp-f80g4` (based on the experiment's
   hash).
 
 - `--temp` - run this experiment outside your workspace (in `.dvc/tmp/exps`).