diff --git a/sec/ex-2_iptables.adoc b/sec/ex-2_iptables.adoc
index 0bd270e..3c89e9b 100644
--- a/sec/ex-2_iptables.adoc
+++ b/sec/ex-2_iptables.adoc
@@ -139,15 +139,15 @@ Being able to do these various things individually is powerful, but the real mag
 
 - AND
 
-    **and** or **&&**
+    and or &&
 
 - OR
 
-    **or** or **||**
+    or or ||
 
 - EXCEPT
 
-    **not** or **!**
+    not or !
 ====