--- a/docs/evolve-faq.rst	Sat Apr 27 14:42:48 2019 -0400
+++ b/docs/evolve-faq.rst	Sat Apr 27 19:32:03 2019 -0400
@@ -170,7 +170,7 @@
 
 ::
     [alias]
-    odiff = diff --rev 'limit(precursors(.),1)' --rev .
+    odiff = diff --rev 'limit(predecessors(.),1)' --rev .
 
 View obsolete markers
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