Update reStructuredText Basics.rst

documentation/source/readme/reStructuredText Basics.rst

@@ -198,16 +198,18 @@ The data may be internal (an integral part of the document) or external (a separ
 =========
 
 **Cross-referencing syntax**
+----------------------------
 
 Basically, you only need to write :role:`target` and a link will be created to the item named target of the type indicated by role.
 
-**math**
+**Math**
 
 **Syntax**
 
  .. figure:: Images/math.PNG
 
 **Output**
+----------
 
 Since Pythagoras, we know that :math:`a^2 + b^2 = c^2`