diff --git a/README.md b/README.md
index 79bc73b..b7d8afc 100644
--- a/README.md
+++ b/README.md
@@ -58,7 +58,7 @@ In the following table the list of parameters that can be provided to the `pdf_v
 | name                    | description                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
 |-------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | input                   | The source of the PDF file. Accepts a file path, URL, or binary data.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
-| width                   | Width of the PDF viewer in pixels. It defaults to 700 pixels.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
+| width                   | Width of the PDF viewer in pixels. It defaults to 700 pixels. Can set it to string percentage also. For example 90% which will make the pdf render to 90% of the container/window/screen width. If the pdf width is larger than the screen width, it will horizontally scroll.                                                                                                                                                                                                                                                                                                                                  |
 | height                  | Height of the PDF viewer in pixels. If not provided, the viewer shows the whole content.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
 | annotations             | A list of annotations to be overlaid on the PDF. Format is described [here](#annotation-format).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
 | pages_vertical_spacing  | The vertical space (in pixels) between each page of the PDF. Defaults to 2 pixels.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |