diff --git a/fgd/brush/func/func_breakable_surf.fgd b/fgd/brush/func/func_breakable_surf.fgd
index 0b6a0cf6..bdd96379 100644
--- a/fgd/brush/func/func_breakable_surf.fgd
+++ b/fgd/brush/func/func_breakable_surf.fgd
@@ -1,7 +1,7 @@
 @SolidClass base(BreakableBrush) 
 	quadbounds() 
 = func_breakable_surf: "A breakable surface, for partially breakable glass / tile / etc. " +
-	"All faces but the desired visible one must be marked as NODRAW and that face must be 4 sided. " +
+	"All faces but the desired visible one must be marked as NODRAW and that face must be 4 sided. " + "Note that ONLY tools/nodraw will work! This entity is hardcoded to use it, and any other nodraw texture is ignored." +
 	"The material applied to the visible face must be set up to be breakable."
 	[
 	spawnflags(flags) : "spawnflags" =
diff --git a/fgd/brush/func/func_smokevolume.fgd b/fgd/brush/func/func_smokevolume.fgd
index 75ec3a4f..365ba426 100644
--- a/fgd/brush/func/func_smokevolume.fgd
+++ b/fgd/brush/func/func_smokevolume.fgd
@@ -1,5 +1,5 @@
 @SolidClass base(BaseEffectBrush) 
-= func_smokevolume: "A brush entity that spawns smoke particles within its volume."
+= func_smokevolume: "A brush entity that spawns smoke particles within its volume." + "This entity should never have it's volume overlapping func_preciptation, or the game will immediatley crash when the level finishes loading" + "This entity is much less performant than a particle system, so consider using that or obb_volumefog as an alternative."
 	[
 	spawnflags(flags) : "spawnflags" =
 		[