diff --git a/Base-Weapon.md b/Base-Weapon.md
index 7d5543a..fbcede6 100644
--- a/Base-Weapon.md
+++ b/Base-Weapon.md
@@ -1,3 +1,6 @@
+This page lists changes to `CBaseCombatWeapon`, which every weapon derives from. This means every weapon in the game technically possesses these changes, although some changes might only be relevant to a specific group of them.
+
+Some I/O were already possible through other, more complicated means (e.g. keyvalues changed with AddOutput).
 
 ### Inputs
 ---
@@ -25,7 +28,12 @@
 ---
 * **Ammo 1** `<integer>` - Sets the weapon's currently loaded primary ammo. Requires the "Preserve ammo" spawnflag to function.
 * **Ammo 2** `<integer>` - Sets the weapon's currently loaded secondary ammo. Requires the "Preserve ammo" spawnflag to function.
+
+### Spawnflags
+---
+* **Deny NPC pickup** `8` - Prevents NPCs from automatically picking up a weapon.
+* **Preserve ammo values when picked up** `16` - Prevents the weapon from resetting its ammo values before being spawned, picked up, dropped, etc.
 ---
 
-# NPC/player interaction with weapons
-Mapbase adds a bunch of weapon-related I/O/KV to NPCs and players.
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+## NPC/player interaction with weapons
+Mapbase adds a bunch of weapon-related I/O/KV to NPCs and players, covered on the [[Base NPC]] and [[Base Player]] for NPC or player-specific changes and [[Base Combat Character]] for changes used by both types.
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