Prepare Mergify for changing the default branch to 1.6.x

1 files changed, 1 insertions, 1 deletions

diff --git a/build.sbt b/build.sbt
index 4c6c2456..3b3c41b8 100644
--- a/build.sbt
+++ b/build.sbt
@@ -152,7 +152,7 @@ lazy val docSettings = Seq(
     "-doc-source-url", {
       val branch =
         if (version.value.endsWith("-SNAPSHOT")) {
-          "master"
+          "1.6.x"
         } else {
           s"v${version.value}"
         }