Improved long index sync warning functionality

lib/locale.js

@@ -21,7 +21,7 @@ exports.ex_search_title = "Search",
 exports.ex_search_button = "Search",
 exports.ex_search_message = "You may enter a block height, block hash ,tx hash or address.",
 exports.ex_error = "Error!",
-exports.ex_warning = "Warning:",
+exports.ex_warning = "Warning",
 exports.ex_search_error = "Search found no results.",
 exports.ex_latest_transactions = "Latest Transactions",
 exports.ex_summary = "Block Summary",
@@ -57,7 +57,7 @@ exports.new_coins = "New Coins",
 exports.proof_of_stake = "PoS",
 exports.hidden_sender = "Hidden Sender",
 exports.hidden_recipient = "Hidden Recipient",
-exports.initial_index_alert = "Indexing is currently incomplete, functionality is limited until index is up-to-date.",
+exports.initial_index_alert = "Blockchain data is currently being synchronized. You may browse the site during this time, but keep in mind that data may not yet be fully accurate and some functionality may not work until synchronization is complete.",
 
 exports.a_menu_showing = "Showing",
 exports.a_menu_txs = "transactions",