Fix link

Signed-off-by: hossainemruz <[email protected]>

README.md

@@ -111,7 +111,7 @@ hugo mod init github.com/<your username>/<your repo name>
 
 ##### 2. Add this theme as your module dependency
 
-Now, in your `config.yaml` file, add a `module` section.
+Now, in your `hugo.yaml` file, add a `module` section.
 
 ```yaml
 # Use Hugo modules to add theme
@@ -120,7 +120,7 @@ module:
   - path: github.com/hugo-toha/toha/v4
 ```
 
-Check this sample [config.yaml](https://github.com/hugo-toha/hugo-toha.github.io/blob/main/config.yaml) for further reference.
+Check this sample [hugo.yaml](https://github.com/hugo-toha/hugo-toha.github.io/blob/main/hugo.yaml) for further reference.
 
 ##### 3. Update your module
 
@@ -207,7 +207,7 @@ $ npm install
 $ hugo server -w
 ```
 
-Now, you can make change in the theme and they will be reflected immediately on the running site. If you need to change any configuration, you can do that in the `config.yaml` file inside `exampleSite` folder. If you need to add any content or data, you can create the respective folder inside `exampleSite` directory and add your desired content or data there.
+Now, you can make change in the theme and they will be reflected immediately on the running site. If you need to change any configuration, you can do that in the `hugo.yaml` file inside `exampleSite` folder. If you need to add any content or data, you can create the respective folder inside `exampleSite` directory and add your desired content or data there.
 
 #### Running the forked theme against your own site