@@ -27,5 +27,7 @@ public interface IPlaylistsClient
 
     Task<Paging<SimplePlaylist>> CurrentUsers();
     Task<Paging<SimplePlaylist>> CurrentUsers(PlaylistCurrentUsersRequest request);
+
+    Task<bool> ChangeDetails(string playlistId, PlaylistChangeDetailsRequest request);
   }
 }
@@ -117,5 +117,14 @@ public Task<Paging<SimplePlaylist>> CurrentUsers(PlaylistCurrentUsersRequest req
 
       return API.Get<Paging<SimplePlaylist>>(URLs.CurrentUserPlaylists(), request.BuildQueryParams());
     }
+
+    public async Task<bool> ChangeDetails(string playlistId, PlaylistChangeDetailsRequest request)
+    {
+      Ensure.ArgumentNotNullOrEmptyString(playlistId, nameof(playlistId));
+      Ensure.ArgumentNotNull(request, nameof(request));
+
+      var statusCode = await API.Put(URLs.Playlist(playlistId), null, request.BuildBodyParams());
+      return statusCode == HttpStatusCode.OK;
+    }
   }
 }
@@ -17,7 +17,8 @@ public void OnRequest(IRequest request)
 
     public void OnResponse(IResponse response)
     {
-      string body = response.Body?.ToString().Substring(0, 50).Replace("\n", "");
+      string body = response.Body?.ToString().Replace("\n", "");
+      body = body?.Substring(0, Math.Min(50, body?.Length ?? 0));
       Console.WriteLine("--> {0} {1} {2}\n", response.StatusCode, response.ContentType, body);
     }
   }
 
@@ -0,0 +1,17 @@
+namespace SpotifyAPI.Web
+{
+  public class PlaylistChangeDetailsRequest : RequestParams
+  {
+    [BodyParam("name")]
+    public string Name { get; set; }
+
+    [BodyParam("public")]
+    public bool? Public { get; set; }
+
+    [BodyParam("collaborative")]
+    public bool? Collaborative { get; set; }
+
+    [BodyParam("description")]
+    public string Description { get; set; }
+  }
+}
Original file line number	Diff line number	Diff line change
`@@ -27,5 +27,7 @@ public interface IPlaylistsClient`
`27`	`27`
`28`	`28`	`Task<Paging<SimplePlaylist>> CurrentUsers();`
`29`	`29`	`Task<Paging<SimplePlaylist>> CurrentUsers(PlaylistCurrentUsersRequest request);`
	`30`	`+`
	`31`	`+ Task<bool> ChangeDetails(string playlistId, PlaylistChangeDetailsRequest request);`
`30`	`32`	`}`
`31`	`33`	`}`
Original file line number	Diff line number	Diff line change
`@@ -117,5 +117,14 @@ public Task<Paging<SimplePlaylist>> CurrentUsers(PlaylistCurrentUsersRequest req`
`117`	`117`
`118`	`118`	`return API.Get<Paging<SimplePlaylist>>(URLs.CurrentUserPlaylists(), request.BuildQueryParams());`
`119`	`119`	`}`
	`120`	`+`
	`121`	`+ public async Task<bool> ChangeDetails(string playlistId, PlaylistChangeDetailsRequest request)`
	`122`	`+ {`
	`123`	`+ Ensure.ArgumentNotNullOrEmptyString(playlistId, nameof(playlistId));`
	`124`	`+ Ensure.ArgumentNotNull(request, nameof(request));`
	`125`	`+`
	`126`	`+ var statusCode = await API.Put(URLs.Playlist(playlistId), null, request.BuildBodyParams());`
	`127`	`+ return statusCode == HttpStatusCode.OK;`
	`128`	`+ }`
`120`	`129`	`}`
`121`	`130`	`}`
Original file line number	Diff line number	Diff line change
`@@ -17,7 +17,8 @@ public void OnRequest(IRequest request)`
`17`	`17`
`18`	`18`	`public void OnResponse(IResponse response)`
`19`	`19`	`{`
`20`		`- string body = response.Body?.ToString().Substring(0, 50).Replace("\n", "");`
	`20`	`+ string body = response.Body?.ToString().Replace("\n", "");`
	`21`	`+ body = body?.Substring(0, Math.Min(50, body?.Length ?? 0));`
`21`	`22`	`Console.WriteLine("--> {0} {1} {2}\n", response.StatusCode, response.ContentType, body);`
`22`	`23`	`}`
`23`	`24`	`}`