diff --git a/Booting/linux-bootstrap-3.md b/Booting/linux-bootstrap-3.md
index 6cb565a..c454afc 100644
--- a/Booting/linux-bootstrap-3.md
+++ b/Booting/linux-bootstrap-3.md
@@ -139,7 +139,7 @@ After this, the `store_mode_params` checks the current video mode and sets the `
 0xB800:0x0000 	32 Kb 	Color Text Video Memory
 ```
 
-So we set the `video_segment` variable to `0xb000` if the current video mode is MDA, HGC, or VGA in monochrome mode and to `0bB800` if the current video mode is in color mode. After setting up the address of the video segment, font size needs to be stored in `boot_params.screen_info.orig_video_points` with:
+So we set the `video_segment` variable to `0xb000` if the current video mode is MDA, HGC, or VGA in monochrome mode and to `0xb800` if the current video mode is in color mode. After setting up the address of the video segment, font size needs to be stored in `boot_params.screen_info.orig_video_points` with:
 
 ```C
 set_fs(0);
diff --git a/contributors.md b/contributors.md
index 446cb6d..cdecae5 100644
--- a/contributors.md
+++ b/contributors.md
@@ -110,3 +110,4 @@ Thank you to all contributors:
 * [JB Cayrou](https://github.com/jbcayrou)
 * [Cornelius Diekmann](https://github.com/diekmann)
 * [Andrés Rojas](https://github.com/c0r3dump3d)
+* [Beomsu Kim](https://github.com/0xF0D0)