diff --git a/Half-Life Source.md b/Half-Life Source.md
index e8a2157..92e3e7c 100644
--- a/Half-Life Source.md	
+++ b/Half-Life Source.md	
@@ -22,10 +22,20 @@ Due to a lack of sources of the Gearbox HD Pack, Alfred decided to push up a fan
 
 An option to turn on the HD pack was introduced in the 2013 update with the HD pack being the default. This was not the intended way to play Half-Life.
 
+## Bug: PVS optimization done for Episode 1 breaking the Tentacle
+
+There was an optimization done to the PVS during Episode 1's development that makes it so only 1 of the Tentacles can actually harm the player.
+
 ## Bug: Apache hitbox.
 
 The Apache's hitbox doesn't detect any of the unique hitboxes in the model. To boot, the hitbox is now a tiny square in the center of the Apache.
 
+## Bug: Leak in C2A5C
+
+There's a leak in C2A5C that causes the 3D Skybox to render inconsistently.
+
+Alfred attempted to fix this by adding the ignorez command to the VMTs for all of the skyboxes. That will need to be fixed too as it becomes a duplicate entry in certain skybox VMTs.
+
 # 2/2 EVERYTHING ELSE. STILL IMPORTANT THOUGH!
 
 ## Bug: Some weapons have no muzzleflash in third person.