diff --git a/docs/functions/user_interaction/focus_window.md b/docs/functions/user_interaction/focus_window.md
deleted file mode 100644
index 8b9d21a..0000000
--- a/docs/functions/user_interaction/focus_window.md
+++ /dev/null
@@ -1,19 +0,0 @@
-# functions
-
-focus_window
-
-
-
-
-This function focuses the main window of your game on the user's screen.
-
-
-# bool focus_window()
-
-## Parameters
-
-None
-
-## Return value
-
-true on success, false otherwise.
\ No newline at end of file
diff --git a/docs/functions/user_interaction/get_focused_window.md b/docs/functions/user_interaction/get_focused_window.md
deleted file mode 100644
index e4d3257..0000000
--- a/docs/functions/user_interaction/get_focused_window.md
+++ /dev/null
@@ -1,14 +0,0 @@
-# functions
-
-get_focused_window
-
-this function returns the ID of the focused window
-
-# uint get_focused_window()
-
-## Return value
-
-The ID of the focused window if set, 0 otherwise.
-
-## Remarks
-
diff --git a/docs/functions/user_interaction/get_input.md b/docs/functions/user_interaction/get_input.md
index e6ef572..f5f57e8 100644
--- a/docs/functions/user_interaction/get_input.md
+++ b/docs/functions/user_interaction/get_input.md
@@ -33,8 +33,7 @@ alert("Waiting", "You have eight seconds to type some text.");
 show_game_window("Typing test");
 while(true)
 {
-delay(5);
-update_game_window();
+wait(5);
 if(wait_time.elapsed_millis>= 8000)
 {
 wait_time.pause();
diff --git a/docs/functions/user_interaction/get_window_handle.md b/docs/functions/user_interaction/get_window_handle.md
new file mode 100644
index 0000000..f2e06ce
--- /dev/null
+++ b/docs/functions/user_interaction/get_window_handle.md
@@ -0,0 +1,11 @@
+# functions
+
+get_window_handle
+
+this function returns the ID of the focused window called handle
+
+# uint get_window_handle()
+
+## Return value
+
+The handle to the current window
\ No newline at end of file
diff --git a/docs/functions/user_interaction/key_down.md b/docs/functions/user_interaction/key_down.md
index 215ed99..8f2aaeb 100644
--- a/docs/functions/user_interaction/key_down.md
+++ b/docs/functions/user_interaction/key_down.md
@@ -33,7 +33,7 @@ void main()
 show_game_window("Test Game");
 while(true)
 {
-update_game_window();
+wait(5);
 if(key_down(SDLK_LALT) && key_pressed(SDLK_F4))
 {
 exit();
diff --git a/docs/functions/user_interaction/key_pressed.md b/docs/functions/user_interaction/key_pressed.md
index 5a524c7..b7e57a4 100644
--- a/docs/functions/user_interaction/key_pressed.md
+++ b/docs/functions/user_interaction/key_pressed.md
@@ -33,10 +33,10 @@ void main()
 show_game_window("Test Game");
 while(true)
 {
-update_game_window();
+wait(5);
 if(key_down(SDLK_LALT) && key_pressed(SDLK_F4))
 {
-quit();
+exit();
 }
 // Other code goes here.
 }
diff --git a/docs/functions/user_interaction/key_released.md b/docs/functions/user_interaction/key_released.md
index 87e27ca..12b6002 100644
--- a/docs/functions/user_interaction/key_released.md
+++ b/docs/functions/user_interaction/key_released.md
@@ -29,7 +29,7 @@ void main()
 show_game_window("Test Game");
 while(true)
 {
-update_game_window();
+wait(5);
 if(key_pressed(SDLK_SPACE))
 {
 speak("Space bar pressed.");
@@ -40,7 +40,7 @@ speak("Space bar released.");
 }
 if(key_pressed(SDLK_ESCAPE))
 {
-quit();
+exit();
 }
 // Other code goes here.
 }
diff --git a/docs/functions/user_interaction/reset_all_forced_keys.md b/docs/functions/user_interaction/reset_all_forced_keys.md
index f8d85a5..e20db9e 100644
--- a/docs/functions/user_interaction/reset_all_forced_keys.md
+++ b/docs/functions/user_interaction/reset_all_forced_keys.md
@@ -31,7 +31,7 @@ ding.load("c:/windows/media/ding.wav");
 show_window("Ding Test");
 while(true)
 {
-update_window();
+wait(5);
 if((time.elapsed_millis<1000)||(!key_down(SDLK_SPACE)))
 {
 if(key_pressed(SDLK_ESCAPE))
diff --git a/docs/functions/user_interaction/show_window.md b/docs/functions/user_interaction/show_window.md
index b9d23ed..a0d76a0 100644
--- a/docs/functions/user_interaction/show_window.md
+++ b/docs/functions/user_interaction/show_window.md
@@ -40,8 +40,7 @@ void main()
 show_window("ngt test window",400,600);
 while(true)
 {
-delay(5);
-update_game_window();
+wait(5);
 }
 }
 ```
diff --git a/docs/general/global_constants.md b/docs/general/global_constants.md
index 33cba44..a4ca19a 100644
--- a/docs/general/global_constants.md
+++ b/docs/general/global_constants.md
@@ -18,6 +18,7 @@ These are properties that can be used globally, meaning from anywhere.
 | window_title | Sets the title of the current window. | string |
 | window_closeable | Sets whether the window can be closed using the companation of ALT+F4. | bool |
 | window_fullscreen | Sets whether the window should be in full screen. | bool |
+
 ## General properties
 
 | Property | Description | Type |