Minor tweak to logging. Fix CLI help.

ethcore/src/blockchain/blockchain.rs

@@ -570,9 +570,9 @@ impl BlockChain {
 		if let BlockLocation::BranchBecomingCanonChain(ref d) = info.location {
 			info!(target: "reorg", "Reorg to {} ({} {} {})",
 				Colour::Yellow.bold().paint(format!("#{} {}", info.number, info.hash)),
-				Colour::Red.paint(d.retracted.iter().fold(String::new(), |acc, h| format!("{} {}", acc, h))),
-				Colour::White.paint(format!("#{} {}", d.ancestor, self.block_details(&d.ancestor).expect("`ancestor` is in the route; qed").number)),
-				Colour::Green.paint(d.enacted.iter().fold(String::new(), |acc, h| format!("{} {}", acc, h)))
+				Colour::Red.paint(d.retracted.iter().join(" ")),
+				Colour::White.paint(format!("#{} {}", self.block_details(&d.ancestor).expect("`ancestor` is in the route; qed").number, d.ancestor)),
+				Colour::Green.paint(d.enacted.iter().join(" "))
 			);
 		}
 

parity/cli.rs

@@ -48,8 +48,8 @@ Operating Options:
                            [default: 3600].
   --chain CHAIN            Specify the blockchain type. CHAIN may be either a
                            JSON chain specification file or olympic, frontier,
-                           homestead, mainnet, morden, homestead-dogmatic, or
-                           testnet [default: homestead].
+                           homestead, mainnet, morden, classic or testnet
+                           [default: homestead].
   -d --db-path PATH        Specify the database & configuration directory path
                            [default: $HOME/.parity].
   --keys-path PATH         Specify the path for JSON key files to be found