diff --git a/labs/boot-time-build-system/boot-time-build-system.tex b/labs/boot-time-build-system/boot-time-build-system.tex
index 23392127c..38c9f34e4 100644
--- a/labs/boot-time-build-system/boot-time-build-system.tex
+++ b/labs/boot-time-build-system/boot-time-build-system.tex
@@ -39,7 +39,7 @@ \section{Choosing a Buildroot release}
 
 \begin{verbatim}
 git tag | grep 2021.02
-git checkout 2021.02
+git checkout 2021.02.6
 \end{verbatim}
 
 \section{Configuring Buildroot}