diff --git a/School/Analyse/Layers/3. Network Layer.md b/School/Analyse/Layers/3. Network Layer.md
index f10e581..3b1ceb9 100644
--- a/School/Analyse/Layers/3. Network Layer.md	
+++ b/School/Analyse/Layers/3. Network Layer.md	
@@ -17,4 +17,9 @@ Routing is difficult because it has to deal with a lot of things:
 Routers use tables called routing tables. The table contains the next point on the shortest path to each destination.
 
 Steps:
-1. Fud
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+1. Routing: Finding the most efficient path(s)
+2. Forwarding: Send info to the nest point from the routing table.
+
+A router can not practically store all hosts in the table as that would be way to many.
+
+So instead the router stores only possible destination networks.
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