Proxy. Minor changes

Author: oleh-liskovych

src/refactoring_guru/proxy/example/Demo.java

@@ -16,7 +16,7 @@ public static void main(String[] args) {
 
     }
 
-    public static long test(YoutubeDownloader downloader) {
+    private static long test(YoutubeDownloader downloader) {
         long startTime = System.currentTimeMillis();
 
         // User behavior in our app:

src/refactoring_guru/proxy/example/some_cool_media_library/Video.java

@@ -5,7 +5,7 @@ public class Video {
     public String title;
     public String data;
 
-    public Video(String id, String title) {
+    Video(String id, String title) {
         this.id = id;
         this.title = title;
         this.data = "Random video.";

src/refactoring_guru/strategy/example/OutputDemo.txt

@@ -26,4 +26,4 @@ Enter password: amanda1985
 Data verification has been successful.
 Pay 6250 units or Continue shopping?  P/C: p
 Paying 6250 using PayPal.
-Payment has been succeesfull.
+Payment has been successful.