have a link to graphviz.org in docstring

1 files changed, 6 insertions, 4 deletions

diff --git a/graph.py b/graph.py
index e4f3c65..097f503 100644
--- a/graph.py
+++ b/graph.py
@@ -99,15 +99,17 @@ class DotBackend:
         self.lines.append(line)
 
     def emit_edge(self, name1, name2, **props):
-        """emit an edge from <name1> to <name2>."""
-        #edge properties: see http://www.graphviz.org/doc/info/attrs.html
+        """emit an edge from <name1> to <name2>.
+        edge properties: see http://www.graphviz.org/doc/info/attrs.html
+        """
         attrs = ['%s="%s"' % (prop, value) for prop, value in props.items()]
         n_from, n_to = normalize_node_id(name1), normalize_node_id(name2)
         self.emit('%s -> %s [%s];' % (n_from, n_to, ", ".join(attrs)) )
 
     def emit_node(self, name, **props):
-        """emit a node with given properties"""
-        # node properties: see http://www.graphviz.org/doc/info/attrs.html
+        """emit a node with given properties.
+        node properties: see http://www.graphviz.org/doc/info/attrs.html
+        """
         attrs = ['%s="%s"' % (prop, value) for prop, value in props.items()]
         self.emit('%s [%s];' % (normalize_node_id(name), ", ".join(attrs)))