Fix a broken link to docker data management documentation in README.
diff --git a/README.md b/README.md
index 8d953c5..2703769 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@
If your volume is inside a container - you can use ```docker cp $ID:/var/jenkins_home``` command to extract the data, or other options to find where the volume data is.
Note that some symlinks on some OSes may be converted to copies (this can confuse jenkins with lastStableBuild links etc)
-For more info check Docker docs section on [Managing data in containers](https://docs.docker.com/userguide/dockervolumes/)
+For more info check Docker docs section on [Managing data in containers](https://docs.docker.com/engine/tutorials/dockervolumes/)
# Setting the number of executors