diff --git a/develop/doc/_sources/design/cluster_train/pserver_client.md.txt b/develop/doc/_sources/design/cluster_train/pserver_client.md.txt
index 007285640e9f11c55715291774826620419cec66..b3e4079010490b69db1de28157f0cab80cad2381 100644
--- a/develop/doc/_sources/design/cluster_train/pserver_client.md.txt
+++ b/develop/doc/_sources/design/cluster_train/pserver_client.md.txt
@@ -136,6 +136,9 @@ int paddle_send_grads(paddle_pserver_client* client, const paddle_gradient* grad
 /**
  * @brief paddle_get_params gets parameters from parameter servers.
  *
+ * paddle_get_params will block until parameters are initialized on
+ * the parameter servers.
+ *
  * @param names the array of names of the parameters to get.
  * @param dst the destination array of parameters to save to.
  * @param len the length of the names array and the paddle_parameter
diff --git a/develop/doc/design/cluster_train/pserver_client.html b/develop/doc/design/cluster_train/pserver_client.html
index 31f71a387440c12e67d893f0e42d0232f8889c0c..5962822f6e94033d4a9c9813b26093c79aab1824 100644
--- a/develop/doc/design/cluster_train/pserver_client.html
+++ b/develop/doc/design/cluster_train/pserver_client.html
@@ -306,6 +306,9 @@ name:sparse-n-1
 <span class="cm">/**</span>
 <span class="cm"> * @brief paddle_get_params gets parameters from parameter servers.</span>
 <span class="cm"> *</span>
+<span class="cm"> * paddle_get_params will block until parameters are initialized on</span>
+<span class="cm"> * the parameter servers.</span>
+<span class="cm"> *</span>
 <span class="cm"> * @param names the array of names of the parameters to get.</span>
 <span class="cm"> * @param dst the destination array of parameters to save to.</span>
 <span class="cm"> * @param len the length of the names array and the paddle_parameter</span>
diff --git a/develop/doc_cn/_sources/design/cluster_train/pserver_client.md.txt b/develop/doc_cn/_sources/design/cluster_train/pserver_client.md.txt
index 007285640e9f11c55715291774826620419cec66..b3e4079010490b69db1de28157f0cab80cad2381 100644
--- a/develop/doc_cn/_sources/design/cluster_train/pserver_client.md.txt
+++ b/develop/doc_cn/_sources/design/cluster_train/pserver_client.md.txt
@@ -136,6 +136,9 @@ int paddle_send_grads(paddle_pserver_client* client, const paddle_gradient* grad
 /**
  * @brief paddle_get_params gets parameters from parameter servers.
  *
+ * paddle_get_params will block until parameters are initialized on
+ * the parameter servers.
+ *
  * @param names the array of names of the parameters to get.
  * @param dst the destination array of parameters to save to.
  * @param len the length of the names array and the paddle_parameter
diff --git a/develop/doc_cn/design/cluster_train/pserver_client.html b/develop/doc_cn/design/cluster_train/pserver_client.html
index 03bc4572f2190ba91983b938d15ee5df9a7e383f..eb0875767841946554ff8f99c05a924361995144 100644
--- a/develop/doc_cn/design/cluster_train/pserver_client.html
+++ b/develop/doc_cn/design/cluster_train/pserver_client.html
@@ -313,6 +313,9 @@ name:sparse-n-1
 <span class="cm">/**</span>
 <span class="cm"> * @brief paddle_get_params gets parameters from parameter servers.</span>
 <span class="cm"> *</span>
+<span class="cm"> * paddle_get_params will block until parameters are initialized on</span>
+<span class="cm"> * the parameter servers.</span>
+<span class="cm"> *</span>
 <span class="cm"> * @param names the array of names of the parameters to get.</span>
 <span class="cm"> * @param dst the destination array of parameters to save to.</span>
 <span class="cm"> * @param len the length of the names array and the paddle_parameter</span>