diff --git a/tone-analyzer/src/main/java/com/ibm/watson/developer_cloud/tone_analyzer/v3/model/ToneChatOptions.java b/tone-analyzer/src/main/java/com/ibm/watson/developer_cloud/tone_analyzer/v3/model/ToneChatOptions.java
index 485e5d295e1..2e8aa306497 100644
--- a/tone-analyzer/src/main/java/com/ibm/watson/developer_cloud/tone_analyzer/v3/model/ToneChatOptions.java
+++ b/tone-analyzer/src/main/java/com/ibm/watson/developer_cloud/tone_analyzer/v3/model/ToneChatOptions.java
@@ -12,12 +12,12 @@
  */
 package com.ibm.watson.developer_cloud.tone_analyzer.v3.model;
 
-import com.ibm.watson.developer_cloud.service.model.GenericModel;
-import com.ibm.watson.developer_cloud.util.Validator;
-
 import java.util.ArrayList;
 import java.util.List;
 
+import com.ibm.watson.developer_cloud.service.model.GenericModel;
+import com.ibm.watson.developer_cloud.util.Validator;
+
 /**
  * The toneChat options.
  */
@@ -26,8 +26,8 @@ public class ToneChatOptions extends GenericModel {
   /**
    * The language of the input text for the request: English or French. Regional variants are treated as their parent
    * language; for example, `en-US` is interpreted as `en`. The input content must match the specified language. Do not
-   * submit content that contains both languages. You can specify any combination of languages for `Content-Language`
-   * and `Accept-Language`. * **`2017-09-21`:** Accepts `en` or `fr`. * **`2016-05-19`:** Accepts only `en`.
+   * submit content that contains both languages. You can use different languages for **Content-Language** and
+   * **Accept-Language**. * **`2017-09-21`:** Accepts `en` or `fr`. * **`2016-05-19`:** Accepts only `en`.
    */
   public interface ContentLanguage {
     /** en. */
@@ -38,7 +38,8 @@ public interface ContentLanguage {
 
   /**
    * The desired language of the response. For two-character arguments, regional variants are treated as their parent
-   * language; for example, `en-US` is interpreted as `en`.
+   * language; for example, `en-US` is interpreted as `en`. You can use different languages for **Content-Language** and
+   * **Accept-Language**.
    */
   public interface AcceptLanguage {
     /** ar. */
@@ -189,8 +190,8 @@ public List<Utterance> utterances() {
    *
    * The language of the input text for the request: English or French. Regional variants are treated as their parent
    * language; for example, `en-US` is interpreted as `en`. The input content must match the specified language. Do not
-   * submit content that contains both languages. You can specify any combination of languages for `Content-Language`
-   * and `Accept-Language`. * **`2017-09-21`:** Accepts `en` or `fr`. * **`2016-05-19`:** Accepts only `en`.
+   * submit content that contains both languages. You can use different languages for **Content-Language** and
+   * **Accept-Language**. * **`2017-09-21`:** Accepts `en` or `fr`. * **`2016-05-19`:** Accepts only `en`.
    *
    * @return the contentLanguage
    */
@@ -202,7 +203,8 @@ public String contentLanguage() {
    * Gets the acceptLanguage.
    *
    * The desired language of the response. For two-character arguments, regional variants are treated as their parent
-   * language; for example, `en-US` is interpreted as `en`.
+   * language; for example, `en-US` is interpreted as `en`. You can use different languages for **Content-Language** and
+   * **Accept-Language**.
    *
    * @return the acceptLanguage
    */
diff --git a/tone-analyzer/src/main/java/com/ibm/watson/developer_cloud/tone_analyzer/v3/model/ToneOptions.java b/tone-analyzer/src/main/java/com/ibm/watson/developer_cloud/tone_analyzer/v3/model/ToneOptions.java
index a6d9aa1fccd..be20fd6b3bb 100644
--- a/tone-analyzer/src/main/java/com/ibm/watson/developer_cloud/tone_analyzer/v3/model/ToneOptions.java
+++ b/tone-analyzer/src/main/java/com/ibm/watson/developer_cloud/tone_analyzer/v3/model/ToneOptions.java
@@ -48,8 +48,8 @@ public interface Tone {
   /**
    * The language of the input text for the request: English or French. Regional variants are treated as their parent
    * language; for example, `en-US` is interpreted as `en`. The input content must match the specified language. Do not
-   * submit content that contains both languages. You can specify any combination of languages for `Content-Language`
-   * and `Accept-Language`. * **`2017-09-21`:** Accepts `en` or `fr`. * **`2016-05-19`:** Accepts only `en`.
+   * submit content that contains both languages. You can use different languages for **Content-Language** and
+   * **Accept-Language**. * **`2017-09-21`:** Accepts `en` or `fr`. * **`2016-05-19`:** Accepts only `en`.
    */
   public interface ContentLanguage {
     /** en. */
@@ -60,8 +60,8 @@ public interface ContentLanguage {
 
   /**
    * The desired language of the response. For two-character arguments, regional variants are treated as their parent
-   * language; for example, `en-US` is interpreted as `en`. You can specify any combination of languages for
-   * `Content-Language` and `Accept-Language`.
+   * language; for example, `en-US` is interpreted as `en`. You can use different languages for **Content-Language** and
+   * **Accept-Language**.
    */
   public interface AcceptLanguage {
     /** ar. */
@@ -318,8 +318,8 @@ public List<String> tones() {
    *
    * The language of the input text for the request: English or French. Regional variants are treated as their parent
    * language; for example, `en-US` is interpreted as `en`. The input content must match the specified language. Do not
-   * submit content that contains both languages. You can specify any combination of languages for `Content-Language`
-   * and `Accept-Language`. * **`2017-09-21`:** Accepts `en` or `fr`. * **`2016-05-19`:** Accepts only `en`.
+   * submit content that contains both languages. You can use different languages for **Content-Language** and
+   * **Accept-Language**. * **`2017-09-21`:** Accepts `en` or `fr`. * **`2016-05-19`:** Accepts only `en`.
    *
    * @return the contentLanguage
    */
@@ -331,8 +331,8 @@ public String contentLanguage() {
    * Gets the acceptLanguage.
    *
    * The desired language of the response. For two-character arguments, regional variants are treated as their parent
-   * language; for example, `en-US` is interpreted as `en`. You can specify any combination of languages for
-   * `Content-Language` and `Accept-Language`.
+   * language; for example, `en-US` is interpreted as `en`. You can use different languages for **Content-Language** and
+   * **Accept-Language**.
    *
    * @return the acceptLanguage
    */