Made changes to glossary.asciidoc

glossary.asciidoc

@@ -13,13 +13,13 @@ bitcoin::
     The name of the currency unit (the coin), the network, and the software.((("bitcoin"))) 
 
 block::
-    A grouping of transactions, marked with a timestamp, and a fingerprint of the previous block. The block header is hashed to produce a proof of work, thereby validating the transactions. Valid blocks are added to the main block chain by network consensus.((("block")))
+    A grouping of transactions, marked with a timestamp, and a fingerprint of the previous block. The block header is hashed to produce a proof of work, thereby validating the transactions. Valid blocks are added to the main blockchain by network consensus.((("block")))
 
-block chain::
-	A list of validated blocks, each linking to its predecessor all the way to the genesis block.((("block chain")))
+blockchain::
+	A list of validated blocks, each linking to its predecessor all the way to the genesis block.((("blockchain")))
 	
 confirmations::
-	Once a transaction is included in a block, it has one confirmation. As soon as _another_ block is mined on the same block chain, the transaction has two confirmations, and so on. Six or more confirmations is considered sufficient proof that a transaction cannot be reversed.((("confirmations")))
+	Once a transaction is included in a block, it has one confirmation. As soon as _another_ block is mined on the same blockchain, the transaction has two confirmations, and so on. Six or more confirmations is considered sufficient proof that a transaction cannot be reversed.((("confirmations")))
 
 difficulty::
 	A network-wide setting that controls how much computation is required to produce a proof of work.((("difficulty")))
@@ -37,7 +37,7 @@ hash::
 	A digital fingerprint of some binary input.((("hash")))
 
 genesis block::
-	The first block in the block chain, used to initialize the cryptocurrency.((("genesis block")))
+	The first block in the blockchain, used to initialize the cryptocurrency.((("genesis block")))
 	
 miner::
 A network node that finds valid proof of work for new blocks, by repeated hashing.((("miner")))