diff --git a/README.md b/README.md
index 66c162d..bc4f6d2 100644
--- a/README.md
+++ b/README.md
@@ -239,6 +239,7 @@ jobs:
 | source_repo_ssh_private_key | `[optional]` private ssh key for the source repository. [see](#private-template-repository)                   | `false`  |                                                                       |
 | pr_branch_name_prefix       | `[optional]` the prefix of branches created by this action                                                    | `false`  | `chore/template_sync`                                                 |
 | pr_title                    | `[optional]` the title of PRs opened by this action. Must be already created.                                 | `false`  | `upstream merge template repository`                                  |
+| pr_body                     | `[optional]` the body of PRs opened by this action. | `false` | `Merge ${SOURCE_REPO_PATH} ${TEMPLATE_GIT_HASH}` |
 | pr_labels                   | `[optional]` comma separated list. [pull request labels][pr-labels].                                          | `false`  | `sync_template`                                                       |
 | pr_reviewers                | `[optional]` comma separated list of pull request reviewers.                                                  | `false`  |                                                                       |
 | pr_commit_msg               | `[optional]` commit message in the created pull request                                                       | `false`  | `chore(template): merge template changes :up:`                        |
diff --git a/action.yml b/action.yml
index 8fc113e..41e2f6d 100644
--- a/action.yml
+++ b/action.yml
@@ -22,6 +22,8 @@ inputs:
   pr_title:
     description: "[optional] the title of PRs opened by this action"
     default: "upstream merge template repository"
+  pr_body:
+    description: "[optional] the body of PRs opened by this action"
   pr_labels:
     description: "[optional] comma separated list of pull request labels"
     default: "template_sync"
@@ -65,6 +67,7 @@ runs:
     SSH_PRIVATE_KEY_SRC: ${{ inputs.source_repo_ssh_private_key }}
     PR_BRANCH_NAME_PREFIX: ${{ inputs.pr_branch_name_prefix }}
     PR_TITLE: ${{ inputs.pr_title }}
+    PR_BODY: ${{ inputs.pr_body }}
     PR_LABELS: ${{ inputs.pr_labels }}
     PR_REVIEWERS: ${{ inputs.pr_reviewers }}
     PR_COMMIT_MSG: ${{ inputs.pr_commit_msg }}
diff --git a/src/sync_template.sh b/src/sync_template.sh
index a474dd3..25f4db6 100644
--- a/src/sync_template.sh
+++ b/src/sync_template.sh
@@ -44,6 +44,7 @@ TEMPLATE_SYNC_IGNORE_FILE_PATH=".templatesyncignore"
 TEMPLATE_REMOTE_GIT_HASH=$(git ls-remote "${SOURCE_REPO}" HEAD | awk '{print $1}')
 NEW_TEMPLATE_GIT_HASH=$(git rev-parse --short "${TEMPLATE_REMOTE_GIT_HASH}")
 NEW_BRANCH="${PR_BRANCH_NAME_PREFIX}_${NEW_TEMPLATE_GIT_HASH}"
+PR_BODY="${PR_BODY:-Merge ${SOURCE_REPO_PATH} ${NEW_TEMPLATE_GIT_HASH}}"
 debug "new Git HASH ${NEW_TEMPLATE_GIT_HASH}"
 
 echo "::group::Check new changes"
@@ -234,7 +235,7 @@ function push () {
 function create_pr () {
   gh pr create \
         --title "${PR_TITLE}" \
-        --body "Merge ${SOURCE_REPO_PATH} ${NEW_TEMPLATE_GIT_HASH}" \
+        --body "${PR_BODY}" \
         --base "${UPSTREAM_BRANCH}" \
         --label "${PR_LABELS}" \
         --reviewer "${PR_REVIEWERS}"