diff --git a/docs/api/export/pdf_method.md b/docs/api/export/pdf_method.md
index 0525f0c73..5b3be415c 100644
--- a/docs/api/export/pdf_method.md
+++ b/docs/api/export/pdf_method.md
@@ -48,6 +48,8 @@ pdf(config?: object): void;
             - `title` - (optional) the document name
             - `pageNumber` - (optional) the current page number
             - `totalPages` - (optional) the total number of pages in the document
+    - `header?: string` - (optional) an HTML template for the header in the exported file
+    - `footer?: string` - (optional) an HTML template for the footer in the exported file
 
 ### Example
 
diff --git a/docs/api/export/png_method.md b/docs/api/export/png_method.md
index f469b1a39..d8bba0806 100644
--- a/docs/api/export/png_method.md
+++ b/docs/api/export/png_method.md
@@ -23,8 +23,10 @@ png(config?: object): void;
 ### Parameters
 
 - `config` - (optional) an object with export settings. You can specify the following settings for export to PNG:
-  - `url?: string` - the url of the service that executes export and returns an exported file. This setting is optional, you should use it only if you need to specify the path to your local export service. The default value is `https://export.dhtmlx.com/diagram/png/5.0.0`
-  - `name?: string` - the name of the exported file
+  - `url?: string` - (optional) the url of the service that executes export and returns an exported file. This setting is optional, you should use it only if you need to specify the path to your local export service. The default value is `https://export.dhtmlx.com/diagram/png/5.0.0`
+  - `name?: string` - (optional) the name of the exported file
+  - `header?: string` - (optional) an HTML template for the header in the exported file
+  - `footer?: string` - (optional) an HTML template for the footer in the exported file
 
 ### Example