diff --git a/13.md b/10.md
similarity index 93%
rename from 13.md
rename to 10.md
index 75f802d3..c43aa938 100644
--- a/13.md
+++ b/10.md
@@ -1,4 +1,4 @@
-NIP-13
+NIP-10
 ======
 
 
@@ -7,18 +7,18 @@ On `e` and `p` tags in Text Events (kind 1).
 
 `draft` ~`mandatory`~ `author:unclebobmartin`
 
-### A recommendation for clients.
+### A Conventional use of `e` and `p` tags within clients.
 
 The following seems to be the conventions that are used by `Branle`, `Damus`, and `more-speech` for referencing
 events and authors when building a reply.  These conventions help clients build event threads, and alert authors of
 replies.
 
-## Definitions:  
+### Definitions:  
  * A reply chain is the list of events from the root event to a specific reply.  
  * A reply thread is the tree of events consisting of all replies beginning at the root.
  * An event id is a 32 byte number in lower-case hexidecimal.
 
-## The `e` tag
+### The `e` tag
 Used in a text event contains a single event id.  ["e", "`hex-number`"]  
 
  * No `e` tag: 
@@ -34,7 +34,7 @@ The id of the event to which this event is a reply.
 There may be any number of `mention-ids`.  These are the ids of events which may, or may not be in the reply chain.  
 They are citings from this event.  `root-id` and `reply-id` are as above.
 
-## The `p` tag
+### The `p` tag
 Used in a text event contains a list of pubkeys used to record who is involved in a reply thread.
 
 When replying to a text event E with `p` tags P, the replying event's `p` tags should contain P as well as the pubkey of the of the event being replied to.