chore(docs): fix some minor issues in comments (#13224)

Author: haouvw

chain/store/store.go

@@ -1210,8 +1210,8 @@ func (cs *ChainStore) GetPath(ctx context.Context, from types.TipSetKey, to type
 }
 
 // ChainBlockstore returns the chain blockstore. Currently the chain and state
-// // stores are both backed by the same physical store, albeit with different
-// // caching policies, but in the future they will segregate.
+// stores are both backed by the same physical store, albeit with different
+// caching policies, but in the future they will segregate.
 func (cs *ChainStore) ChainBlockstore() bstore.Blockstore {
 	return cs.chainBlockstore
 }

cmd/lotus-shed/miner.go

@@ -315,7 +315,7 @@ var minerCreateCmd = &cli.Command{
 			}
 
 			log.Infof("Initializing owner account %s, message: %s", worker, signed.Cid())
-			log.Infof("Wating for confirmation")
+			log.Infof("Waiting for confirmation")
 
 			mw, err := wapi.StateWaitMsg(ctx, signed.Cid(), buildconstants.MessageConfidence)
 			if err != nil {