diff --git a/Makefile b/Makefile
index 6cf6b2267..7b7a6ea87 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 # Makefile for Sphinx documentation
 
-# Pass WORKERS=auto for parallel build
+# Pass WORKERS=1 for single-worker build
 ifndef WORKERS
   WORKERS = auto
 endif