[hotfix] update links to point to training in stable docs
diff --git a/content/training.html b/content/training.html
index 9d70e2b..232aea8 100644
--- a/content/training.html
+++ b/content/training.html
@@ -289,7 +289,7 @@
</div>
<div style="margin-bottom: 400px;">
-<a href="https://ci.apache.org/projects/flink/flink-docs-master/training" target="_blank">Apache Flink Training Course <small><span class="glyphicon glyphicon-new-window"></span></small> </a>
+<a href="https://ci.apache.org/projects/flink/flink-docs-stable/learn-flink" target="_blank">Apache Flink Training Course <small><span class="glyphicon glyphicon-new-window"></span></small> </a>
</div>
<!--
diff --git a/content/zh/training.html b/content/zh/training.html
index d4af4e8..15819c3 100644
--- a/content/zh/training.html
+++ b/content/zh/training.html
@@ -287,7 +287,7 @@
</div>
<div style="margin-bottom: 400px;">
-<a href="https://ci.apache.org/projects/flink/flink-docs-master/zh/training" target="_blank">Apache Flink Training Course <small><span class="glyphicon glyphicon-new-window"></span></small> </a>
+<a href="https://ci.apache.org/projects/flink/flink-docs-stable/zh/learn-flink" target="_blank">Apache Flink Training Course <small><span class="glyphicon glyphicon-new-window"></span></small> </a>
</div>
<!--
diff --git a/training.md b/training.md
index 0532f54..4e176e6 100644
--- a/training.md
+++ b/training.md
@@ -100,7 +100,7 @@
</div>
<div style="margin-bottom: 400px;">
-<a href="{{site.DOCS_BASE_URL}}flink-docs-master/training" target='_blank'>Apache Flink Training Course <small><span class="glyphicon glyphicon-new-window"></span></small> </a>
+<a href="{{site.DOCS_BASE_URL}}flink-docs-stable/learn-flink" target='_blank'>Apache Flink Training Course <small><span class="glyphicon glyphicon-new-window"></span></small> </a>
</div>
<!--
diff --git a/training.zh.md b/training.zh.md
index b5ec9ae..e90e044 100644
--- a/training.zh.md
+++ b/training.zh.md
@@ -100,7 +100,7 @@
</div>
<div style="margin-bottom: 400px;">
-<a href="{{site.DOCS_BASE_URL}}flink-docs-master/zh/training" target='_blank'>Apache Flink Training Course <small><span class="glyphicon glyphicon-new-window"></span></small> </a>
+<a href="{{site.DOCS_BASE_URL}}flink-docs-stable/zh/learn-flink" target='_blank'>Apache Flink Training Course <small><span class="glyphicon glyphicon-new-window"></span></small> </a>
</div>
<!--
