updated the help message

Signed-off-by: Gourav <gourav.saini.phe22@iitbhu.ac.in>

Author: GauravSaini01

docs/usage.md

@@ -586,7 +586,7 @@ DESCRIPTION
 EXAMPLES
   $ asyncapi new	 - start creation of a file in interactive mode
 
-  $ asyncapi new --file-name=my-asyncapi.yml --example=default-example.yml --no-tty	 - create a new file with a specific name, using one of the examples and without interactive mode
+  $ asyncapi new --file-name=my-asyncapi.yaml --example=default-example.yaml --no-tty	 - create a new file with a specific name, using one of the examples and without interactive mode
 ```
 
 _See code: [src/commands/new/index.ts](https://github.com/asyncapi/cli/blob/v2.14.1/src/commands/new/index.ts)_

src/commands/new/file.ts

@@ -37,7 +37,7 @@ export default class NewFile extends Command {
 
   static examples = [
     'asyncapi new\t - start creation of a file in interactive mode',
-    'asyncapi new --file-name=my-asyncapi.yml --example=default-example.yml --no-tty\t - create a new file with a specific name, using one of the examples and without interactive mode'
+    'asyncapi new --file-name=my-asyncapi.yaml --example=default-example.yaml --no-tty\t - create a new file with a specific name, using one of the examples and without interactive mode'
   ];
 
   async run() {