diff --git a/tests/test-fuzz-targets.t b/tests/test-fuzz-targets.t
--- a/tests/test-fuzz-targets.t
+++ b/tests/test-fuzz-targets.t
@@ -1,5 +1,6 @@
 #require clang-libfuzzer test-repo
   $ cd $TESTDIR/../contrib/fuzz
   $ make
-Just run the fuzzer for five seconds to verify it works at all.
+Just run the fuzzers for five seconds each to verify it works at all.
   $ ./bdiff -max_total_time 5
+  $ ./xdiff -max_total_time 5