CHANGED - typo err (#4169)

Resolves # typo err

### Changes proposed in this pull request:

 - jetstream_api.go typo err
 - accounts.go typo err
 
/cc @nats-io/core

server/accounts.go

@@ -616,7 +616,7 @@ func (a *Account) AddMapping(src, dest string) error {
 	return a.AddWeightedMappings(src, NewMapDest(dest, 100))
 }
 
-// AddWeightedMapping will add in a weighted mappings for the destinations.
+// AddWeightedMappings will add in a weighted mappings for the destinations.
 // TODO(dlc) - Allow cluster filtering
 func (a *Account) AddWeightedMappings(src string, dests ...*MapDest) error {
 	a.mu.Lock()
@@ -2301,7 +2301,7 @@ func (si *serviceImport) isRespServiceImport() bool {
 	return si != nil && si.response
 }
 
-// Sets the response theshold timer for a service export.
+// Sets the response threshold timer for a service export.
 // Account lock should be held
 func (se *serviceExport) setResponseThresholdTimer() {
 	if se.rtmr != nil {
@@ -3112,7 +3112,7 @@ func (a *Account) isClaimAccount() bool {
 	return a.claimJWT != _EMPTY_
 }
 
-// updateAccountClaims will update an existing account with new claims.
+// UpdateAccountClaims will update an existing account with new claims.
 // This will replace any exports or imports previously defined.
 // Lock MUST NOT be held upon entry.
 func (s *Server) UpdateAccountClaims(a *Account, ac *jwt.AccountClaims) {

server/jetstream_api.go

@@ -2656,7 +2656,7 @@ func (s *Server) jsLeaderAccountPurgeRequest(sub *subscription, c *client, _ *Ac
 }
 
 // Request to have the meta leader stepdown.
-// These will only be received the the meta leaders, so less checking needed.
+// These will only be received the meta leaders, so less checking needed.
 func (s *Server) jsLeaderStepDownRequest(sub *subscription, c *client, _ *Account, subject, reply string, rmsg []byte) {
 	if c == nil || !s.JetStreamEnabled() {
 		return
@@ -3326,7 +3326,7 @@ func (s *Server) processStreamRestore(ci *ClientInfo, acc *Account, cfg *StreamC
 
 	var total int
 
-	// FIXM(dlc) - Probably take out of network path eventually due to disk I/O?
+	// FIXME(dlc) - Probably take out of network path eventually due to disk I/O?
 	processChunk := func(sub *subscription, c *client, _ *Account, subject, reply string, msg []byte) {
 		// We require reply subjects to communicate back failures, flow etc. If they do not have one log and cancel.
 		if reply == _EMPTY_ {