diff --git a/gst-sdk/tutorials/basic-tutorial-15.c b/gst-sdk/tutorials/basic-tutorial-15.c
index f14e1889af..1daf10b6c8 100644
--- a/gst-sdk/tutorials/basic-tutorial-15.c
+++ b/gst-sdk/tutorials/basic-tutorial-15.c
@@ -1,6 +1,3 @@
-#ifdef _WIN32
-#include <windows.h>
-#endif
 #include <clutter-gst/clutter-gst.h>
   
 /* Setup the video texture once its size is known */
@@ -16,7 +13,7 @@ void size_change (ClutterActor *texture, gint width, gint height, gpointer user_
   
   clutter_actor_get_size (stage, &stage_width, &stage_height);
   
-  /* Center video on window */
+  /* Center video on window and calculate new size preserving aspect ratio */
   new_height = (height * stage_width) / width;
   if (new_height <= stage_height) {
     new_width = stage_width;
@@ -32,8 +29,8 @@ void size_change (ClutterActor *texture, gint width, gint height, gpointer user_
   }
   clutter_actor_set_position (texture, new_x, new_y);
   clutter_actor_set_size (texture, new_width, new_height);
-  /* Animate it */
   clutter_actor_set_rotation (texture, CLUTTER_Y_AXIS, 0.0, stage_width / 2, 0, 0);
+  /* Animate it */
   animation = clutter_actor_animate (texture, CLUTTER_LINEAR, 10000, "rotation-angle-y", 360.0, NULL);
   clutter_animation_set_loop (animation, TRUE);
 }
@@ -43,6 +40,7 @@ int main(int argc, char *argv[]) {
   ClutterTimeline *timeline;
   ClutterActor *stage, *texture;
   
+  /* clutter-gst takes care of initializing Clutter and GStreamer */
   if (clutter_gst_init (&argc, &argv) != CLUTTER_INIT_SUCCESS) {
     g_error ("Failed to initialize clutter\n");
     return -1;
@@ -54,13 +52,11 @@ int main(int argc, char *argv[]) {
   timeline = clutter_timeline_new (1000);
   g_object_set(timeline, "loop", TRUE, NULL);
   
-  /* We need to set certain props on the target texture currently for
-   * efficient/correct playback onto the texture */
+  /* Create new texture and disable slicing so the video is properly mapped onto it */
   texture = CLUTTER_ACTOR (g_object_new (CLUTTER_TYPE_TEXTURE, "disable-slicing", TRUE, NULL));
-  
   g_signal_connect (texture, "size-change", G_CALLBACK (size_change), NULL);
   
-  /* Build the pipeline */
+  /* Build the GStreamer pipeline */
   pipeline = gst_parse_launch ("playbin2 uri=http://docs.gstreamer.com/media/sintel_trailer-480p.webm", NULL);
   
   /* Instantiate the Clutter sink */
@@ -70,7 +66,7 @@ int main(int argc, char *argv[]) {
     sink = gst_element_factory_make ("cluttersink", NULL);
   }
   if (sink == NULL) {
-    g_printerr ("Unable to find a Cluttre sink.\n");
+    g_printerr ("Unable to find a Clutter sink.\n");
     return -1;
   }
   
@@ -86,6 +82,7 @@ int main(int argc, char *argv[]) {
   /* start the timeline */
   clutter_timeline_start (timeline);
   
+  /* Add texture to the stage, and show it */
   clutter_group_add (CLUTTER_GROUP (stage), texture);
   clutter_actor_show_all (stage);