diff --git a/modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache b/modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache
index 664e0e45a58..8c0880bf217 100644
--- a/modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache
+++ b/modules/swagger-codegen/src/main/resources/Java/libraries/okhttp-gson/ApiClient.mustache
@@ -480,7 +480,7 @@ public class ApiClient {
   }
 
   /**
-   * Sets the connect timeout.
+   * Sets the connect timeout (in milliseconds).
    * A value of 0 means no timeout, otherwise values must be between 1 and
    * {@link Integer#MAX_VALUE}.
    */
diff --git a/samples/client/petstore/java/okhttp-gson/src/main/java/io/swagger/client/ApiClient.java b/samples/client/petstore/java/okhttp-gson/src/main/java/io/swagger/client/ApiClient.java
index 0314969b99e..10be2206a42 100644
--- a/samples/client/petstore/java/okhttp-gson/src/main/java/io/swagger/client/ApiClient.java
+++ b/samples/client/petstore/java/okhttp-gson/src/main/java/io/swagger/client/ApiClient.java
@@ -479,7 +479,7 @@ public class ApiClient {
   }
 
   /**
-   * Sets the connect timeout.
+   * Sets the connect timeout (in milliseconds).
    * A value of 0 means no timeout, otherwise values must be between 1 and
    * {@link Integer#MAX_VALUE}.
    */