Fix code block in publiccode.yml

publiccode.yml

@@ -45,7 +45,7 @@ description:
     shortDescription: >-
       Python library that provides XPath 1.0/2.0 parsers and selectors for
       ElementTree and lxml
-    longDescription: >
+    longDescription: |
       This is a library for Python 2.7/3.5+ that provides XPath 1.0 and 2.0
       selectors for Python's ElementTree XML data structures, both for the
       standard **ElementTree** library and for the **lxml** library. For lxml
@@ -57,17 +57,24 @@ description:
 
       You can install the package with _pip_ in a Python 2.7 or Python 3.5+
       environment:
-      ~~~~
+
+      ~~~~  
+
       pip install elementpath
-      ~~~~
+
+      ~~~~  
+
       For using it import the package and apply the selectors on ElementTree
       nodes:
-      ~~~~ 
+
+      ~~~~  
+
       >>> import elementpath
       >>> from xml.etree import ElementTree
       >>> root = ElementTree.XML('<A><B1/><B2><C1/><C2/><C3/></B2></A>')
       >>> elementpath.select(root, '/A/B2/\*') [<Element 'C1' at ...>, <Element'C2' at ...>, <Element 'C3' at ...>]
-      ~~~~
+
+      ~~~~  
 
     features:
       - XPath 1.0 and XPath 2.0 implementations