diff --git a/src/i18n/en-US.properties b/src/i18n/en-US.properties
index 980d5fe2d..385937ffe 100644
--- a/src/i18n/en-US.properties
+++ b/src/i18n/en-US.properties
@@ -123,6 +123,10 @@ box3d_settings=Settings
 annotation_add_comment_placeholder=Add a comment here...
 # Placeholder text for reply textarea in annotation dialog
 annotation_reply_placeholder=Post a reply...
+# Text for finish annotation mode button
+annotation_done=Done
+# Text for close annotation mode button
+annotation_close=Close
 # Text for cancel annotation button
 annotation_cancel=Cancel
 # Text for save annotation button
diff --git a/src/lib/viewers/BaseViewer.js b/src/lib/viewers/BaseViewer.js
index 09cb3cda5..63a0b57c4 100644
--- a/src/lib/viewers/BaseViewer.js
+++ b/src/lib/viewers/BaseViewer.js
@@ -894,6 +894,8 @@ class BaseViewer extends EventEmitter {
             createError: __('annotations_create_error'),
             deleteError: __('annotations_delete_error'),
             authError: __('annotations_authorization_error'),
+            doneButton: __('annotation_done'),
+            closeButton: __('annotation_close'),
             cancelButton: __('annotation_cancel'),
             saveButton: __('annotation_save'),
             postButton: __('annotation_post'),