diff --git a/specs/simple-serialize.md b/specs/simple-serialize.md
index 780f1cc90..eb1d3cace 100644
--- a/specs/simple-serialize.md
+++ b/specs/simple-serialize.md
@@ -128,7 +128,7 @@ Let `container` be a self-signed container object. The convention is that the si
 ## Implementations
 
 | Language | Project | Maintainer | Implementation |
-|:-:|-|-|
+|-|-|-|-|
 | Python | Ethereum 2.0 | Ethereum Foundation | [https://github.com/ethereum/py-ssz](https://github.com/ethereum/py-ssz) |
 | Rust | Lighthouse | Sigma Prime | [https://github.com/sigp/lighthouse/tree/master/beacon_chain/utils/ssz](https://github.com/sigp/lighthouse/tree/master/beacon_chain/utils/ssz) |
 | Nim | Nimbus | Status | [https://github.com/status-im/nim-beacon-chain/blob/master/beacon_chain/ssz.nim](https://github.com/status-im/nim-beacon-chain/blob/master/beacon_chain/ssz.nim) |