diff --git a/doc/manual/source/installation-and-configuration.rst b/doc/manual/source/installation-and-configuration.rst
index 4619c335c05a86af80f03038929a6bdef4145138..bea5341de61901db93c0fbcd2e15b058aaa6b49f 100644
--- a/doc/manual/source/installation-and-configuration.rst
+++ b/doc/manual/source/installation-and-configuration.rst
@@ -24,6 +24,7 @@ The following optional extensions are also useful to benefit from
 extra features, but are in no way required:
 
 * If under MATLAB: the 
+
   * Optimization Toolbox (providing various optimizers 
     like ``fminsearch``, ``fmincon``, or ``fminunc``, used in e.g. ``mode_compute``,
     ``opt_algo`` or ``ALGO``),