typo genesis.go

simapp/genesis.go

@@ -5,7 +5,7 @@ import (
 )
 
 // GenesisState of the blockchain is represented here as a map of raw json
-// messages key'd by a identifier string.
+// messages key'd by an identifier string.
 // The identifier is used to determine which module genesis information belongs
 // to so it may be appropriately routed during init chain.
 // Within this application default genesis information is retrieved from