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--- a/Allura/allura/lib/macro.py
+++ b/Allura/allura/lib/macro.py
@@ -210,7 +210,7 @@
         return '<img src="./attachment/%s" %s/>' % (src, ' '.join(attrs))
 
 
-template_project_admins = string.Template('<a href="$url">$name</a><br>')
+template_project_admins = string.Template('<a href="$url">$name</a><br/>')
 @macro()
 def project_admins():
     from allura import model as M