storage/objects: fix typo
@@ -131,7 +131,7 @@ func listByPrefix(w io.Writer, client *storage.Client, bucket, prefix, delim str
// Prefixes and delimiters can be used to emulate directory listings.
// Prefixes can be used filter objects starting with prefix.
// The delimiter argument can be used to restrict the results to only the
- // objects in the given "directory". Without the delimeter, the entire tree
+ // objects in the given "directory". Without the delimiter, the entire tree
// under the prefix is returned.
//
// For example, given these blobs:
