diff --git a/Component-GPU.md b/Component-GPU.md
index 0d5dcc1..0e1ba0d 100644
--- a/Component-GPU.md
+++ b/Component-GPU.md
@@ -27,6 +27,8 @@ Callbacks:
   Gets the currently set resolution.
 - `setResolution(width: number, height: number): boolean`  
   Sets the specified resolution. Can be up to the maximum supported resolution. If a larger or invalid resolution is provided it will throw an error. Returns `true` if the resolution was set, `false` otherwise.
+- `getSize(): number, number`  
+  Gets the size in blocks of the screen the graphics card is bound to. For simple screens and robots this will be one by one.
 - `get(x: number, y: number): string`  
   Gets the character currently being displayed at the specified coordinates.
 - `set(x: number, y: number, value: string): boolean`