--- org-manual.org	2018-09-17 18:48:17.868785307 +0200
+++ org-manual.org.new	2018-09-17 18:48:09.708751068 +0200
@@ -12655,7 +12655,9 @@
 #+vindex: org-html-mathjax-template
 See the docstring of ~org-html-mathjax-options~ for all supported
 variables.  The MathJax template can be configure via
-~org-html-mathjax-template~.
+~org-html-mathjax-template~.  Please note that formulas will be part
+of an HTML document, and that signs such as =<=, =>=, or =&= have
+special meanings (see [[http://docs.mathjax.org/en/latest/tex.html#tex-and-latex-in-html-documents][MathJax TeX and LaTeX support]]).
 
 If you prefer, you can also request that LaTeX fragments are processed
 into small images that will be inserted into the browser page.  Before