Typo corrections in various comments

input/input.go

@@ -108,7 +108,7 @@ func NewBaseInput(outpoint *wire.OutPoint, witnessType WitnessType,
 }
 
 // CraftInputScript returns a valid set of input scripts allowing this output
-// to be spent. The returns input scripts should target the input at location
+// to be spent. The returned input scripts should target the input at location
 // txIndex within the passed transaction. The input scripts generated by this
 // method support spending p2wkh, p2wsh, and also nested p2sh outputs.
 func (bi *BaseInput) CraftInputScript(signer Signer, txn *wire.MsgTx,