diff --git a/build_docs.pl b/build_docs.pl
index a972cd9b0653..18eb554949fd 100755
--- a/build_docs.pl
+++ b/build_docs.pl
@@ -1,5 +1,5 @@
 #!/usr/bin/env perl
-
+system("echo '====== Demo successful ======'");
 # Flush on every print even if we're writing to a pipe (like docker).
 $| = 1;