Fixed up the some wording in the README.md doc.

Author: rtkkdeng

README.md

@@ -143,10 +143,11 @@ specified to make the jump conditional. For example:
 The rules specified under the `rule` attribute will only be evaluate for packets for which
 the rule in `chain_condition` holds.
 
-Sometimes we might want to define a chain that can be only jumped from another chain we define. 
-By default, all `simple_iptables_rule` chains will be jumped from one of the directions
-chains. To prevent jumping to the chain from the direction chains, we can set the direction attribute
-to the symbol `:none`. For example, consider a chain used to log
+Sometimes we might want to define a chain where we only want to jump from another chain we define. 
+By default, an automatic jump will be made to chains defined using the `simple_iptables_rule` resource
+from the chain specified using the `direction` attribute of the resource. To prevent jumping to the
+chain from the direction chains, we can set the direction attribute to the symbol `:none`.
+For example, consider a chain used to log
 
     simple_iptables_rule "logging_drop" do
       direction :none
@@ -155,8 +156,8 @@ to the symbol `:none`. For example, consider a chain used to log
       jump false
     end
 
-We can then jump to this chain from other simple_iptables_rule chains, but a jump to this
-chain won't be added to a direction chain's set of rules.
+We can then jump to this chain from other simple_iptables_rule chains, but an automatic jump to
+this chain won't be added.
 
 
 `simple_iptables_policy` Resource