--- a/mercurial/cmdutil.py	Thu Aug 03 14:16:54 2017 +0200
+++ b/mercurial/cmdutil.py	Thu Aug 03 14:32:50 2017 +0200
@@ -1571,7 +1571,7 @@
     if ctx.obsolete():
         labels.append('changeset.obsolete')
     if ctx.isunstable():
-        labels.append('changeset.troubled')
+        labels.append('changeset.unstable')
         for instability in ctx.instabilities():
             labels.append('trouble.%s' % instability)
     return ' '.join(labels)