diff --git a/.github/workflows/docs.yml b/.github/workflows/docs.yml
index c04da66ddb149..143ee96be4725 100644
--- a/.github/workflows/docs.yml
+++ b/.github/workflows/docs.yml
@@ -39,16 +39,14 @@ jobs:
         run: |
           currentBranch=$(git branch --show-current)
 
-          if  [ "${currentBranch}" = "release-2.0-preview1-rc1" ]; then
-            echo "flink_branch=release-2.0-preview1" >> ${GITHUB_ENV}
-          else
-            echo "flink_branch=${currentBranch}" >> ${GITHUB_ENV}
-          fi
+          echo "flink_branch=${currentBranch}" >> ${GITHUB_ENV}
 
           if [ "${currentBranch}" = "master" ]; then
-            echo "flink_alias=release-2.0" >> ${GITHUB_ENV}
-          elif [ "${currentBranch}" = "release-1.20" ]; then
+            echo "flink_alias=release-2.1" >> ${GITHUB_ENV}
+          elif [ "${currentBranch}" = "release-2.0" ]; then
             echo "flink_alias=stable" >> ${GITHUB_ENV}
+          elif [ "${currentBranch}" = "release-1.20" ]; then
+            echo "flink_alias=lts" >> ${GITHUB_ENV}
           fi
       - name: Build documentation
         run: |