FIX: `targetUsernames` was renamed

FIX: targetUsernames was renamed

diff --git a/assets/javascripts/discourse/components/bcc-checkbox.js.es6 b/assets/javascripts/discourse/components/bcc-checkbox.js.es6
index 470aa44..d216621 100644
--- a/assets/javascripts/discourse/components/bcc-checkbox.js.es6
+++ b/assets/javascripts/discourse/components/bcc-checkbox.js.es6
@@ -6,12 +6,12 @@ export default Component.extend({
 
   bccAvailable: computed(
     "creatingPrivateMessage",
-    "targetUsernames",
+    "targetRecipients",
     function() {
       return (
         this.currentUser.staff &&
         this.creatingPrivateMessage &&
-        (this.targetUsernames || "").split(",").length > 1
+        (this.targetRecipients || "").split(",").length > 1
       );
     }
   )
diff --git a/assets/javascripts/discourse/templates/connectors/composer-fields/bcc-checkbox.hbs b/assets/javascripts/discourse/templates/connectors/composer-fields/bcc-checkbox.hbs
index dc2e465..0e74b5e 100644
--- a/assets/javascripts/discourse/templates/connectors/composer-fields/bcc-checkbox.hbs
+++ b/assets/javascripts/discourse/templates/connectors/composer-fields/bcc-checkbox.hbs
@@ -1,4 +1,4 @@
 {{bcc-checkbox
   creatingPrivateMessage=model.creatingPrivateMessage
-  targetUsernames=model.targetUsernames
+  targetRecipients=model.targetRecipients
   checked=model.use_bcc}}
diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 578213c..d74e07f 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -4,4 +4,4 @@ en:
   bcc:
     too_few_users: "You must send the personal message to at least two participants"
     pm_required: "You can only use this endpoint for private messages"
-    messages_queued: "Your personal messages are currently being sent."
+    messages_queued: "Your personal messages are currently being sent. If there are many it might take some time to complete."
diff --git a/test/javascripts/components/bcc-checkbox-test.js.es6 b/test/javascripts/components/bcc-checkbox-test.js.es6
index 25ea529..5ebd271 100644
--- a/test/javascripts/components/bcc-checkbox-test.js.es6
+++ b/test/javascripts/components/bcc-checkbox-test.js.es6
@@ -13,7 +13,7 @@ componentTest("it doesn't show up by default", {
 });
 
 componentTest("doesn't show up for non-staff", {
-  template: `{{bcc-checkbox creatingPrivateMessage=true targetUsernames="evil,trout"}}`,
+  template: `{{bcc-checkbox creatingPrivateMessage=true targetRecipients="evil,trout"}}`,
 
   async test(assert) {
     assert.ok(find(".bcc-checkbox").length === 0);
@@ -26,7 +26,7 @@ componentTest("it shows up if a private message with at least 1 username", {
     this.currentUser.set("moderator", true);
   },
 
-  template: `{{bcc-checkbox checked=changeMe creatingPrivateMessage=true targetUsernames="evil,trout"}}`,
+  template: `{{bcc-checkbox checked=changeMe creatingPrivateMessage=true targetRecipients="evil,trout"}}`,
 
   async test(assert) {
     assert.ok(!this.get("changeMe"));

GitHub sha: 2528a262