Correct some typo's in comments.

src/cmds/restic/cmd_check.go

@@ -24,7 +24,7 @@ finds. It can also be used to read all data and therefore simulate a restore.
 	},
 }
 
-// CheckOptions bundle all options for the 'check' command.
+// CheckOptions bundles all options for the 'check' command.
 type CheckOptions struct {
 	ReadData    bool
 	CheckUnused bool

src/cmds/restic/cmd_find.go

@@ -24,7 +24,7 @@ repo. `,
 	},
 }
 
-// FindOptions bundle all options for the find command.
+// FindOptions bundles all options for the find command.
 type FindOptions struct {
 	Oldest          string
 	Newest          string

src/cmds/restic/cmd_snapshots.go

@@ -23,7 +23,7 @@ The "snapshots" command lists all snapshots stored in the repository.
 	},
 }
 
-// SnapshotOptions bundle all options for the snapshots command.
+// SnapshotOptions bundles all options for the snapshots command.
 type SnapshotOptions struct {
 	Host  string
 	Paths []string