Fix typo

snapshot/store.go

@@ -126,7 +126,7 @@ func (s *Store) Create(version raft.SnapshotVersion, index, term uint64, configu
 	return &LockingSink{sink, s}, nil
 }
 
-// List returns a list of all the snapshots in the Store. In pratice, this will at most be
+// List returns a list of all the snapshots in the Store. In practice, this will at most be
 // a list of 1, and that will be the newest snapshot available.
 func (s *Store) List() ([]*raft.SnapshotMeta, error) {
 	snapshots, err := s.getSnapshots()