diff --git a/saturn/calendar/event.py b/saturn/calendar/event.py
index 036ae29..3e2f3c2 100644
--- a/saturn/calendar/event.py
+++ b/saturn/calendar/event.py
@@ -31,7 +31,12 @@ class Event:
     
     @property
     def description(self):
-        return self._description
+        if self._description is None: return None
+        return re.sub(
+            r'(https?://\S+)',
+            r'<a href="\1">\1</a>',
+            self._description,
+        )
 
     @property
     def location(self):
diff --git a/saturn/server/templates/index.html b/saturn/server/templates/index.html
index ac5d43f..ea4d1ed 100644
--- a/saturn/server/templates/index.html
+++ b/saturn/server/templates/index.html
@@ -50,7 +50,7 @@
 		<div class="info">
 			<div class="description">
 				{% if event.description %}
-				{{ event.description }}
+				{{ event.description | safe }}
 				{% endif %}
 			</div>
 			<div class="other">