Merge pull request kubernetes#1939 from tpepper/master

trivial: fix broken link markdown

Author: k8s-ci-robot

keps/sig-apps/0753-sidecarcontainers.md

@@ -105,7 +105,7 @@ shutdown have met several times and are in sync regarding these features
 interoperability.
 
 The details about this dependency is explained in the [graduation criteria
-section][#graduation-criteria].
+section](#graduation-criteria).
 
 ## Motivation