diff --git a/doc/man/task.1.in b/doc/man/task.1.in
index 3cc9318ba..47fbe5a47 100644
--- a/doc/man/task.1.in
+++ b/doc/man/task.1.in
@@ -604,7 +604,7 @@ by third-party applications.
 Reports a unique set of attribute values. For example, to see all the active
 projects:
 
-  task +PENDING _unique projects
+  task +PENDING _unique project
 
 .TP
 .B task <filter> _uuids