diff --git a/manual/typesetting_math.rst b/manual/typesetting_math.rst
index 3c861f1913..91c8500562 100644
--- a/manual/typesetting_math.rst
+++ b/manual/typesetting_math.rst
@@ -10,8 +10,6 @@ AsciiMath. The |app| viewer uses the excellent `MathJax
 <http://www.mathjax.org>`_ library to do this. This is a brief tutorial on
 creating ebooks with math in them that work well with the |app| viewer.
 
-.. note::
-    This only applies to |app| version 0.8.66 and newer
 
 A simple HTML file with mathematics
 -------------------------------------