chore: fix typo in readme.md (#637)

Author: ayancey

docs/content/0.index.md

@@ -30,7 +30,7 @@ Backrest is a web-accessible backup solution built on top of [restic](https://re
   ::list
   - Import your existing restic repositories
   - Cron scheduled backups and health operations (e.g. prune and forget)
-  - UI for browing and restoring files from snapshots
+  - UI for browsing and restoring files from snapshots
   - Configurable backup notifications (e.g. Discord, Slack, Shoutrrr, Gotify)
   - Add shell command hooks to run before and after backup operations.
   - Compatible with rclone remotes
@@ -70,4 +70,4 @@ services:
       - 9898:9898
 ```
 ::
-::
+::