diff --git a/worldedit_commands/safe.lua b/worldedit_commands/safe.lua
index bba5871..cd8fee1 100644
--- a/worldedit_commands/safe.lua
+++ b/worldedit_commands/safe.lua
@@ -11,10 +11,20 @@ local function safe_region(name, count, callback)
 		return callback()
 	end
 
-	--save callback to call later
+	-- save callback to call later
 	safe_region_callback[name] = callback
-	worldedit.player_notify(name, S("WARNING: this operation could affect up to @1 nodes; type @2 to continue or @3 to cancel",
-		count, minetest.colorize("#00ffff", "//y"), minetest.colorize("#00ffff", "//n")), "info")
+
+	local count_str = tostring(count)
+	-- highlight millions, 1 mln <=> 100x100x100 cube
+	if #count_str > 6 then
+		count_str = minetest.colorize("#f33", count_str:sub(1, -7)) .. count_str:sub(-6, -1)
+	end
+
+	local yes_cmd = minetest.colorize("#00ffff", "//y")
+	local no_cmd = minetest.colorize("#00ffff", "//n")
+	local msg = S("WARNING: this operation could affect up to @1 nodes; type @2 to continue or @3 to cancel",
+		count_str, yes_cmd, no_cmd)
+	worldedit.player_notify(name, msg, "info")
 end
 
 local function reset_pending(name)