FIX: Fix code block

src/doc/converters.rst

@@ -185,6 +185,7 @@ a SourceResolver that is able to attach a source element to another entity.
 **Note**: This example might become a standard crawler soon, as part of the scifolder specification. See https://doi.org/10.3390/data5020043 for details. In this documentation example we will, therefore, add it to a package called "scifolder".
 
 First we will create our package and module structure, which might be:
+
 .. code-block::
 
    scifolder_package/