lp13 update

Author: mart1n-xyz

README.md

@@ -35,7 +35,7 @@ All prizes live in the `[prizes/](prizes/)` directory. Each prize is a markdown
 | [LP-0010](prizes/LP-0010.md) | Shell dApp Integration Proof of Concept                  | Small  | Closed ([Solution](solutions/LP-0010.md)) |
 | [LP-0011](prizes/LP-0011.md) | Program development tooling: Rust SDK                    | Medium | Draft                        |
 | [LP-0012](prizes/LP-0012.md) | Event/Log mechanism                                      | Large  | Closed ([Solution](solutions/LP-0012.md)) |
-| [LP-0013](prizes/LP-0013.md) | Token program improvements (authorities)                 | Medium | Open                         |
+| [LP-0013](prizes/LP-0013.md) | Token program improvements (authorities)                 | Medium | Closed ([Solution](solutions/LP-0013.md)) |
 | [LP-0014](prizes/LP-0014.md) | Token program improvements (ATAs + wallet tooling)       | Medium | Closed                       |
 | [LP-0015](prizes/LP-0015.md) | General cross-program calls via tail calls               | Large  | Closed                       |
 | [LP-0016](prizes/LP-0016.md) | Anonymous Forum with Threshold Moderation                | Large  | Open                         |

prizes/LP-0013.md

@@ -5,7 +5,7 @@ dependencies:
       mint authority approval pattern must reuse, per Success Criteria.
 ---
 
-# LP-0013: Token program improvements: authorities [OPEN]
+# LP-0013: Token program improvements: authorities [CLOSED]
 
 **`Logos Circle: N/A`**
 ## Overview