diff --git a/MANUAL.txt b/MANUAL.txt
index 379fe0ade..65e4b30e3 100644
--- a/MANUAL.txt
+++ b/MANUAL.txt
@@ -956,8 +956,7 @@ header when requesting a document from a URL:
     `data-external="1"` will be left alone; the documents they
     link to will not be incorporated in the document.
     Limitation: resources that are loaded dynamically through
-    JavaScript cannot be incorporated; as a result,
-    `--self-contained` does not work with `--mathjax`, and some
+    JavaScript cannot be incorporated; as a result, some
     advanced features (e.g.  zoom or speaker notes) may not work
     in an offline "self-contained" `reveal.js` slide show.