updated readme.md

Author: ANKUR DWIVEDI

README.md

@@ -362,11 +362,11 @@ $imageURL = $imageKit->url(array(
 https://ik.imagekit.io/your_imagekit_id/tr:q-40/default-image.jpg
 ```
 
-#### 5. Adding overlays
+### 5. Adding overlays
 
 ImageKit.io enables you to apply overlays to [images](https://docs.imagekit.io/features/image-transformations/overlay-using-layers) and [videos](https://docs.imagekit.io/features/video-transformation/overlay) using the raw parameter with the concept of [layers](https://docs.imagekit.io/features/image-transformations/overlay-using-layers#layers). The raw parameter facilitates incorporating transformations directly in the URL. A layer is a distinct type of transformation that allows you to define an asset to serve as an overlay, along with its positioning and additional transformations.
 
-##### Text as overlays
+#### Text as overlays
 
 You can add any text string over a base video or image using a text layer (l-text).
 
@@ -386,12 +386,12 @@ $imageURL = $imageKit->url(array(
     ]
 ));
 ```
-##### Sample Result URL
+#### Sample Result URL
 ```
 https://ik.imagekit.io/your_imagekit_id/tr:h-300,w-400,l-text,i-Imagekit,fs-50,l-end/default-image.jpg
 ```
 
-##### Image as overlays
+#### Image as overlays
 
 You can add an image over a base video or image using an image layer (l-image).
 
@@ -411,12 +411,12 @@ $imageURL = $imageKit->url(array(
     ]
 ));
 ```
-##### Sample Result URL
+#### Sample Result URL
 ```
 https://ik.imagekit.io/your_imagekit_id/tr:h-300,w-400,l-image,i-default-image.jpg,w-100,b-10_CDDC39,l-end/default-image.jpg
 ```
 
-##### Solid color blocks as overlays
+#### Solid color blocks as overlays
 
 You can add solid color blocks over a base video or image using an image layer (l-image).
 
@@ -436,7 +436,7 @@ $imageURL = $imageKit->url(array(
     ]
 ));
 ```
-##### Sample Result URL
+#### Sample Result URL
 ```
 https://ik.imagekit.io/your_imagekit_id/tr:h-300,w-400,l-image,i-ik_canvas,bg-FF0000,w-300,h-100,l-end/img/sample-video.mp4
 ```