diff --git a/docs/fundamentals/configuration.md b/docs/fundamentals/configuration.md
index 4b2c351a9..4987ebbaf 100644
--- a/docs/fundamentals/configuration.md
+++ b/docs/fundamentals/configuration.md
@@ -263,6 +263,63 @@ The configuration options are case-sensitive and can be defined only once unless
The address of the transaction priority contract to use when selecting transactions from the transaction pool. Defaults to `null`.
+### BalanceViewer
+
+- #### `BalanceViewer.Enabled` \{#balanceviewer-enabled\}
+
+
+
+ ```
+ --balanceviewer-enabled [true|false]
+ --BalanceViewer.Enabled [true|false]
+ ```
+
+
+ ```
+ NETHERMIND_BALANCEVIEWERCONFIG_ENABLED=true|false
+ ```
+
+
+ ```json
+ {
+ "BalanceViewer": {
+ "Enabled": true|false
+ }
+ }
+ ```
+
+
+
+ Whether to serve the balance viewer UI at the `/balances` path of the JSON-RPC HTTP endpoint. Allowed values: `true` `false`. Defaults to `true`.
+
+- #### `BalanceViewer.SiblingProbePorts` \{#balanceviewer-siblingprobeports\}
+
+
+
+ ```
+ --balanceviewer-siblingprobeports
+ --BalanceViewer.SiblingProbePorts
+ ```
+
+
+ ```
+ NETHERMIND_BALANCEVIEWERCONFIG_SIBLINGPROBEPORTS=
+ ```
+
+
+ ```json
+ {
+ "BalanceViewer": {
+ "SiblingProbePorts":
+ }
+ }
+ ```
+
+
+
+ Comma-separated localhost ports probed to discover sibling Nethermind nodes on other chains for the multi-chain balance view. Defaults to `8545,8546,8547,8548,8549,8550`.
+
+
### BalRecorder
- #### `BalRecorder.Path` \{#balrecorder-path\}