diff --git a/bip-0021.md b/bip-0021.md
index fa77e4b5..844ee1ea 100644
--- a/bip-0021.md
+++ b/bip-0021.md
@@ -32,7 +32,7 @@ Graphical bitcoin clients SHOULD register themselves as the handler for the "bit
 
  bitcoinurn     = "bitcoin:" bitcoinaddress [ "?" bitcoinparams ]
  bitcoinaddress = base58 *base58
- bitcoinparams  = *bitcoinparam
+ bitcoinparams  = bitcoinparam [ "&" bitcoinparams ]
  standardparam  = amountparam | labelparam | messageparam | otherparam
  bitcoinparam   = standardparam | reqparam
  amountparam    = "amount=" *digit [ "." *digit ]
@@ -57,7 +57,7 @@ I.e. amount=50.00 or amount=50 is treated as 50 BTC, and amount=50,000.00 is inv
 
 Bitcoin clients MAY display the amount in any format that is not intended to deceive the user.
 They SHOULD choose a format that is foremost least confusing, and only after that most reasonable given the amount requested.
-For example, so long as the majority of users work in BTC units, values should always be displayed in BTC by default, even if mBTC or TBC would otherwise be a more logical interpretation of the amount.
+For example, so long as the majority of users work in BTC units, values should always be displayed in BTC by default, even if mBTC would otherwise be a more logical interpretation of the amount.
 == Rationale ==
 
 ===Payment identifiers, not person identifiers===