diff --git a/google-cloud-dialogflow/src/main/java/com/google/cloud/dialogflow/v2beta1/ParticipantsClient.java b/google-cloud-dialogflow/src/main/java/com/google/cloud/dialogflow/v2beta1/ParticipantsClient.java
index 344a33015..591868d17 100644
--- a/google-cloud-dialogflow/src/main/java/com/google/cloud/dialogflow/v2beta1/ParticipantsClient.java
+++ b/google-cloud-dialogflow/src/main/java/com/google/cloud/dialogflow/v2beta1/ParticipantsClient.java
@@ -1199,12 +1199,12 @@ public final SuggestSmartRepliesResponse suggestSmartReplies(SuggestSmartReplies
    * <p>This method should be used by human agent client software to fetch auto generated
    * suggestions in real-time, while the conversation with an end user is in progress. The
    * functionality is implemented in terms of the [list
-   * pagination](/apis/design/design_patterns#list_pagination) design pattern. The client app should
-   * use the `next_page_token` field to fetch the next batch of suggestions. `suggestions` are
-   * sorted by `create_time` in descending order. To fetch latest suggestion, just set `page_size`
-   * to 1. To fetch new suggestions without duplication, send request with filter
-   * `create_time_epoch_microseconds &gt; [first item's create_time of previous request]` and empty
-   * page_token.
+   * pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination) design
+   * pattern. The client app should use the `next_page_token` field to fetch the next batch of
+   * suggestions. `suggestions` are sorted by `create_time` in descending order. To fetch latest
+   * suggestion, just set `page_size` to 1. To fetch new suggestions without duplication, send
+   * request with filter `create_time_epoch_microseconds &gt; [first item's create_time of previous
+   * request]` and empty page_token.
    *
    * <p>Sample code:
    *
@@ -1243,12 +1243,12 @@ public final ListSuggestionsPagedResponse listSuggestions(ListSuggestionsRequest
    * <p>This method should be used by human agent client software to fetch auto generated
    * suggestions in real-time, while the conversation with an end user is in progress. The
    * functionality is implemented in terms of the [list
-   * pagination](/apis/design/design_patterns#list_pagination) design pattern. The client app should
-   * use the `next_page_token` field to fetch the next batch of suggestions. `suggestions` are
-   * sorted by `create_time` in descending order. To fetch latest suggestion, just set `page_size`
-   * to 1. To fetch new suggestions without duplication, send request with filter
-   * `create_time_epoch_microseconds &gt; [first item's create_time of previous request]` and empty
-   * page_token.
+   * pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination) design
+   * pattern. The client app should use the `next_page_token` field to fetch the next batch of
+   * suggestions. `suggestions` are sorted by `create_time` in descending order. To fetch latest
+   * suggestion, just set `page_size` to 1. To fetch new suggestions without duplication, send
+   * request with filter `create_time_epoch_microseconds &gt; [first item's create_time of previous
+   * request]` and empty page_token.
    *
    * <p>Sample code:
    *
@@ -1289,12 +1289,12 @@ public final ListSuggestionsPagedResponse listSuggestions(ListSuggestionsRequest
    * <p>This method should be used by human agent client software to fetch auto generated
    * suggestions in real-time, while the conversation with an end user is in progress. The
    * functionality is implemented in terms of the [list
-   * pagination](/apis/design/design_patterns#list_pagination) design pattern. The client app should
-   * use the `next_page_token` field to fetch the next batch of suggestions. `suggestions` are
-   * sorted by `create_time` in descending order. To fetch latest suggestion, just set `page_size`
-   * to 1. To fetch new suggestions without duplication, send request with filter
-   * `create_time_epoch_microseconds &gt; [first item's create_time of previous request]` and empty
-   * page_token.
+   * pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination) design
+   * pattern. The client app should use the `next_page_token` field to fetch the next batch of
+   * suggestions. `suggestions` are sorted by `create_time` in descending order. To fetch latest
+   * suggestion, just set `page_size` to 1. To fetch new suggestions without duplication, send
+   * request with filter `create_time_epoch_microseconds &gt; [first item's create_time of previous
+   * request]` and empty page_token.
    *
    * <p>Sample code:
    *
diff --git a/grpc-google-cloud-dialogflow-v2beta1/src/main/java/com/google/cloud/dialogflow/v2beta1/ParticipantsGrpc.java b/grpc-google-cloud-dialogflow-v2beta1/src/main/java/com/google/cloud/dialogflow/v2beta1/ParticipantsGrpc.java
index 8b12dfb1e..dc3fc41a0 100644
--- a/grpc-google-cloud-dialogflow-v2beta1/src/main/java/com/google/cloud/dialogflow/v2beta1/ParticipantsGrpc.java
+++ b/grpc-google-cloud-dialogflow-v2beta1/src/main/java/com/google/cloud/dialogflow/v2beta1/ParticipantsGrpc.java
@@ -696,7 +696,8 @@ public void suggestSmartReplies(
      * This method should be used by human agent client software to fetch auto
      * generated suggestions in real-time, while the conversation with an end user
      * is in progress. The functionality is implemented in terms of the
-     * [list pagination](/apis/design/design_patterns#list_pagination)
+     * [list
+     * pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination)
      * design pattern. The client app should use the `next_page_token` field
      * to fetch the next batch of suggestions. `suggestions` are sorted by
      * `create_time` in descending order.
@@ -990,7 +991,8 @@ public void suggestSmartReplies(
      * This method should be used by human agent client software to fetch auto
      * generated suggestions in real-time, while the conversation with an end user
      * is in progress. The functionality is implemented in terms of the
-     * [list pagination](/apis/design/design_patterns#list_pagination)
+     * [list
+     * pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination)
      * design pattern. The client app should use the `next_page_token` field
      * to fetch the next batch of suggestions. `suggestions` are sorted by
      * `create_time` in descending order.
@@ -1181,7 +1183,8 @@ public com.google.cloud.dialogflow.v2beta1.SuggestSmartRepliesResponse suggestSm
      * This method should be used by human agent client software to fetch auto
      * generated suggestions in real-time, while the conversation with an end user
      * is in progress. The functionality is implemented in terms of the
-     * [list pagination](/apis/design/design_patterns#list_pagination)
+     * [list
+     * pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination)
      * design pattern. The client app should use the `next_page_token` field
      * to fetch the next batch of suggestions. `suggestions` are sorted by
      * `create_time` in descending order.
@@ -1373,7 +1376,8 @@ protected ParticipantsFutureStub build(
      * This method should be used by human agent client software to fetch auto
      * generated suggestions in real-time, while the conversation with an end user
      * is in progress. The functionality is implemented in terms of the
-     * [list pagination](/apis/design/design_patterns#list_pagination)
+     * [list
+     * pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination)
      * design pattern. The client app should use the `next_page_token` field
      * to fetch the next batch of suggestions. `suggestions` are sorted by
      * `create_time` in descending order.
diff --git a/proto-google-cloud-dialogflow-v2beta1/src/main/proto/google/cloud/dialogflow/v2beta1/participant.proto b/proto-google-cloud-dialogflow-v2beta1/src/main/proto/google/cloud/dialogflow/v2beta1/participant.proto
index 43adbce60..0078aa1ac 100644
--- a/proto-google-cloud-dialogflow-v2beta1/src/main/proto/google/cloud/dialogflow/v2beta1/participant.proto
+++ b/proto-google-cloud-dialogflow-v2beta1/src/main/proto/google/cloud/dialogflow/v2beta1/participant.proto
@@ -169,7 +169,8 @@ service Participants {
   // This method should be used by human agent client software to fetch auto
   // generated suggestions in real-time, while the conversation with an end user
   // is in progress. The functionality is implemented in terms of the
-  // [list pagination](/apis/design/design_patterns#list_pagination)
+  // [list
+  // pagination](https://cloud.google.com/apis/design/design_patterns#list_pagination)
   // design pattern. The client app should use the `next_page_token` field
   // to fetch the next batch of suggestions. `suggestions` are sorted by
   // `create_time` in descending order.
diff --git a/synth.metadata b/synth.metadata
index d29867a59..f19624544 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,23 +4,23 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/java-dialogflow.git",
-        "sha": "145edbc20c3af264424219e86ee2bebb1bf19012"
+        "sha": "c2de42785b284d9547e49c7862ab8b099c1604ad"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "018bc85c797c8e7f5243b9531a7cd2e6a1bc72b4",
-        "internalRef": "378977785"
+        "sha": "6ddf77dbd087b634274c93499d8d8d0ff81ea53c",
+        "internalRef": "379330928"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "018bc85c797c8e7f5243b9531a7cd2e6a1bc72b4",
-        "internalRef": "378977785"
+        "sha": "6ddf77dbd087b634274c93499d8d8d0ff81ea53c",
+        "internalRef": "379330928"
       }
     },
     {