diff --git a/augment/modules/wh.lua b/augment/modules/wh.lua
index 938be91..eb78066 100644
--- a/augment/modules/wh.lua
+++ b/augment/modules/wh.lua
@@ -2,15 +2,18 @@ return function()
     local playerLookVector = nil
 
     local function updateLookVector()
-        -- pitch:
+        -- yaw:
         --     0 => positive Z
         --     90 => negative X
+        -- pitch:
+        --     0 => forward
+        --     90 => down
         local yawr = math.rad(player.yaw)
         local pitchr = math.rad(player.pitch)
         local cosPitch = math.cos(pitchr)
         local x = cosPitch * -math.sin(yawr)
         local z = cosPitch *  math.cos(yawr)
-        local y = math.sin(pitchr)
+        local y = -math.sin(pitchr)
         playerLookVector = {x, y, z, x = x, y = y, z = z}
         return playerLookVector
     end