user-guide: better link text in external-outputs

static/docs/user-guide/external-outputs.md

@@ -28,10 +28,10 @@ external outputs (protocols) are supported:
 In order to specify an external output for a stage file use the usual `-o` and
 `-O` options with the `dvc run` command, but with the external path or URL
 pointing to your desired files. For cached external outputs (specified using
-`-o`) you will need to setup an
-[external cache](/doc/commands-reference/config#cache) location that will be
-used by DVC to store versions of your external file. Non-cached external outputs
-(specified using `-O`) do not require external cache to be setup.
+`-o`) you will need to
+[setup an external cache](/doc/commands-reference/config#cache) location that
+will be used by DVC to store versions of your external file. Non-cached external
+outputs (specified using `-O`) do not require external cache to be setup.
 
 > Avoid using the same remote location that you are using for `dvc push`,
 > `dvc pull`, `dvc fetch` as external cache for your external outputs, because