⚡ Small adjustment on Github Credentials

packages/nodes-base/credentials/GithubApi.credentials.ts

@@ -8,10 +8,11 @@ export class GithubApi implements ICredentialType {
 	displayName = 'Github API';
 	properties = [
 		{
-			displayName: 'URL',
-			name: 'url',
+			displayName: 'Github Server',
+			name: 'server',
 			type: 'string' as NodePropertyTypes,
 			default: 'https://api.github.com',
+			description: 'The server to connect to. Does only have to get changed if Github Enterprise gets used.',
 		},
 		{
 			displayName: 'User',