OZG-7232 fix typo and add change access modifier

document-manager-server/src/main/java/de/ozgcloud/document/bescheid/smartdocuments/SmartDocumentsConfiguration.java

@@ -71,17 +71,17 @@ class SmartDocumentsConfiguration {
 		return createNoProxyHttpClient();
 	}
 
-	HttpClientBuilder createDefulatHttpClientBuilder() {
+	private HttpClientBuilder createDefaultHttpClientBuilder() {
 		return HttpClients.custom()
 				.setConnectionManager(createConnectionManagerWithClientCertificateIfConfigured());
 	}
 
 	CloseableHttpClient createNoProxyHttpClient() {
-		return createDefulatHttpClientBuilder().build();
+		return createDefaultHttpClientBuilder().build();
 	}
 
 	CloseableHttpClient createHttpClientUsingProxy() {
-		return createDefulatHttpClientBuilder()
+		return createDefaultHttpClientBuilder()
 				.setRoutePlanner(createProxyRoutePlanner())
 				.setDefaultCredentialsProvider(createProxyCredentialsProvider())
 				.build();