diff --git a/documentation/custom-transformers.md b/documentation/custom-transformers.md
index 2fe2a9f7..d45afcdf 100644
--- a/documentation/custom-transformers.md
+++ b/documentation/custom-transformers.md
@@ -202,11 +202,11 @@ Storage transformers stream data from a geth subscription or parity csv file whe
 full sync progresses. If the transformers have missed consuming a range of diffs due to lag in the startup of the processes or due to misalignment of the sync,
 we can configure our storage transformers to backfill missing diffs from a [modified archival geth client](https://github.com/vulcanize/go-ethereum/tree/statediff_at).
 
-To do so, add the following fields to the config file.
+To do so, add the following field to the config file.
 ```toml
 [storageBackFill]
     on = false
 ```
 - `on` is set to `true` to turn the backfill process on
 
-This process uses the regular `client.ipcPath` rpc path, it assumes that it is either an http or ipc path that supports the `StateDiffAt` endpoint.
\ No newline at end of file
+This process uses the regular `client.ipcPath` rpc path, it assumes that it is either an http or ipc path that supports the `StateDiffAt` endpoint.