diff --git a/lua.md b/lua.md
index fa82493b4..ade10c4df 100644
--- a/lua.md
+++ b/lua.md
@@ -183,8 +183,9 @@ title: Lua
        -
 
     -- Logic (and/or)
-    nil and 10     --> 10
+    nil and false  --> nil
     false and nil  --> false
+    0 and 20       --> 20
     10 and 20      --> 20