diff --git a/.wiki/Kernel-documentation.md b/.wiki/Kernel-documentation.md
index e38f79c..890a833 100644
--- a/.wiki/Kernel-documentation.md
+++ b/.wiki/Kernel-documentation.md
@@ -371,9 +371,10 @@ Returns the color of the pixel at position(**_x_** | **_y_**) in **_graphics_buf
 Draws a character (**_chr_**) at position(**_x_** | **_y_**) in **_graphics_buffer_**.
 The position is the top-left corner of the char.
 
-#### `graphics_buffer_draw_string(graphics_buffer, x, y, color, string)` - function (void)
+#### `graphics_buffer_draw_string(graphics_buffer, x, y, color, string)` - function (position_T)
 Draws **_string_** at position(**_x_** | **_y_**) in **_graphics_buffer_**.
 The position is the top-left corner of the string.
+Returns the position after the last char of the string.
 
 #### `graphics_renderer_init(boot_info)` - function (void)
 Initializes the global graphics renderer.