Finish networking page

content/13_networking.md

@@ -40,7 +40,7 @@ From here it was a routine soldering job.
 
 ## Software (First Attempt)
 
-I started by flashing it with an empty hello world program, to verify that it could be programmed at all. Then I cloned LUFA and started trying to adapt an example to work for my board. Unfortunately, disaster struck: I accidentally tore off the USB connector. I knew this was a risk, since I had waited to solder on the 
+I started by flashing it with an empty hello world program, to verify that it could be programmed at all. Then I cloned LUFA and started trying to adapt an example to work for my board. Unfortunately, disaster struck: I accidentally tore off the USB connector. I knew this was a risk, since I decided to delay soldering the USB jack shield until I knew what to do with it. The cable I used required fairly high force to remove, though, so I think once I plugged it in the board's fate was sealed. You can also see that leftover flux greatly sped up oxidation, leaving spots of green copper oxide.
 
 ![](/img/13_broken_connector.jpg)
 
@@ -80,6 +80,8 @@ Rather than deal with jumpers again, I thought I'd fix the manufacturing. So I g
 
 ![](/img/13_stuffed_v2.jpg)
 
+This time I cleaned the whole board with isopropyl alcohol (70%) to remove leftover flux and prevent early oxidation.
+
 
 ## Software (Second Attempt)