Added hud_ cvars part in CSQC, MENUQC, SVQC and GAMEQC blocks section

diff --git a/Programming-QuakeC-stuff-in-Xonotic.md b/Programming-QuakeC-stuff-in-Xonotic.md
index 19cb2139ab38c8670a230060a67164ecd58e5d79..4561f418bfecd6938ed17dc489e8ef53b37f1f88 100644 (file)
--- a/Programming-QuakeC-stuff-in-Xonotic.md
+++ b/Programming-QuakeC-stuff-in-Xonotic.md
@@ -30,6 +30,10 @@ Example: `sv_campcheck` is clearly a server cvar (**sv_*** cvars are server cvar
 
 Example: `cl_chatsound` is clearly a client cvar (**cl_*** cvars are client cvars), only can be declared inside a **`#ifdef CSQC`** block.
 
+- **hud_*** cvars:
+
+Example: `hud_progressbar_alpha` is a client cvar (**hud_*** cvars belong to client cvars), only can be declared inside a **`#ifdef CSQC`** block.
+
 
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