diff --git a/Erasure-Coding-for-warm-storage.md b/Erasure-Coding-for-warm-storage.md
index 3b15c10..b19c815 100644
--- a/Erasure-Coding-for-warm-storage.md
+++ b/Erasure-Coding-for-warm-storage.md
@@ -20,6 +20,11 @@ The downside:
 * Only deletion is supported. Update is not supported.
 * Compaction is WIP. This would require transmitting whole volume data.
 
+Side Note:
+* The 10+4 can be easily adjusted via `DataShardsCount` and `ParityShardsCount` in 
+https://github.com/chrislusf/seaweedfs/blob/master/weed/storage/erasure_coding/ec_encoder.go#L17
+* If you are considering these enterprise-level customizations, please consider donate to SeaweedFS first.
+
 ## Architecture
 SeaweedFS implemented 10.4 Reed-Soloman Erasure Coding (EC). The large volumes are split into chunks of 1GB, and every 10 data chunks are also encoded into 4 parity chunks. So a 30 GB data volume will be encoded into 14 EC shards, each shard is of size 3 GB and has 3 EC blocks.