diff --git a/tests/ossfuzz.sh b/tests/ossfuzz.sh
index ae8802a..6e43b7c 100755
--- a/tests/ossfuzz.sh
+++ b/tests/ossfuzz.sh
@@ -15,6 +15,9 @@
 #
 ################################################################################
 
+# This script is meant to be run by
+# https://github.com/google/oss-fuzz/blob/master/projects/miniz/Dockerfile
+
 mkdir build
 cd build
 cmake .. -DAMALGAMATE_SOURCES=ON -DBUILD_SHARED_LIBS=OFF -DBUILD_FUZZERS=ON