diff --git a/src/i18n/en.json b/src/i18n/en.json
index 018d3b7d..4690f2f3 100644
--- a/src/i18n/en.json
+++ b/src/i18n/en.json
@@ -456,6 +456,9 @@
     "subject_line_email": "Like email: \"re: subject\"",
     "subject_line_mastodon": "Like mastodon: copy as is",
     "subject_line_noop": "Do not copy",
+    "conversation_display": "Conversation display style",
+    "conversation_display_tree": "Tree-style",
+    "conversation_display_linear": "Linear-style",
     "post_status_content_type": "Post status content type",
     "sensitive_by_default": "Mark posts as sensitive by default",
     "stop_gifs": "Play-on-hover GIFs",
@@ -717,7 +720,10 @@
     "nsfw": "NSFW",
     "expand": "Expand",
     "you": "(You)",
-    "plus_more": "+{number} more"
+    "plus_more": "+{number} more",
+    "thread_hide": "Hide this thread",
+    "thread_show": "Show this thread",
+    "thread_show_full": "Show everything under this thread ({numStatus} status in total, max depth {depth}) | Show everything under this thread ({numStatus} statuses in total, max depth {depth})"
   },
   "user_card": {
     "approve": "Approve",