diff --git a/run.sh b/run.sh
index db2c946..434b3e6 100755
--- a/run.sh
+++ b/run.sh
@@ -1,4 +1,6 @@
 #!/bin/bash
 
+# Source: https://github.com/docker/compose/issues/1926#issuecomment-505294443
+
 # Ah, ha, ha, ha, stayin' alive...
 while :; do :; done & kill -STOP $! && wait $!