Fix reST syntax

Author: lsetiawan

docs/source/modules.rst

@@ -14,23 +14,23 @@
    :undoc-members:
    :show-inheritance:
 
-mod:`Create Services`
+:mod:`Create Services`
 ---------------------
 
 .. automodule:: odm2api.ODM2.services.createService
    :members:
    :undoc-members:
    :show-inheritance:
 
-mod:`Delete Services`
+:mod:`Delete Services`
 ---------------------
 
 .. automodule:: odm2api.ODM2.services.deleteService
    :members:
    :undoc-members:
    :show-inheritance:
 
-mod:`Update Services`
+:mod:`Update Services`
 ---------------------
 
 .. automodule:: odm2api.ODM2.services.updateService