db: updated readme net: changed lec14 for clarity

cst311/lec/lec14.md

@@ -7,13 +7,17 @@ The interface is that part of a router that connect between a host router and th
 
 3 Types of Formats for the addresses
 
-Type A: 
+1. Type A: 
 
-|1-bit  |  7-bits 	| 24-bits	|
-|-------|-----------|-----------|
-|0 		| network 	| host		|
+	* Lower 3-bytes are clobbered
 
-Typb B:
+2. Type B:
+
+	* Lower 2-bytes are clobbered
+
+3. Type C:
+
+	* Lower 1-byte is clobbered
 
 ## Subnets