diff --git a/eglot-ltex.el b/eglot-ltex.el
index 6caa6fa..1afed93 100644
--- a/eglot-ltex.el
+++ b/eglot-ltex.el
@@ -42,7 +42,11 @@ https://github.com/valentjn/ltex-ls"
   :group 'eglot
   :link '(url-link :tag "Github" "https://github.com/emacs-languagetool/eglot-ltex"))
 
-(defcustom eglot-languagetool-active-modes '(text-mode latex-mode org-mode markdown-mode)
+(defcustom eglot-languagetool-active-modes
+  '( text-mode
+     bibtex-mode context-mode latex-mode
+     markdown-mode org-mode
+     rst-mode)
   "List of major mode that work with LanguageTool."
   :type 'list
   :group 'eglot-grammarly)