diff --git a/packages/nibijs/docs/classes/StableSwap.md b/packages/nibijs/docs/classes/StableSwap.md
index 9c75aaa9..6eb6b352 100644
--- a/packages/nibijs/docs/classes/StableSwap.md
+++ b/packages/nibijs/docs/classes/StableSwap.md
@@ -178,8 +178,8 @@ y()
 Calculate x[j] if one makes x[i] = x
 
 Done by solving quadratic equation iteratively.
-x_1**2 + x1 * (sum' - (A*n**n - 1) _ D / (A _ n**n)) = D ** (n+1)/(n ** (2 _ n) _ prod' \* A)
-x_1**2 + b\*x_1 = c
+x*1**2 + x1 * (sum' - (A*n**n - 1) * D / (A _ n**n)) = D ** (n+1)/(n \*\* (2 _ n) \_ prod' \* A)
+x_1\*\*2 + b\*x_1 = c
 
 x_1 = (x_1\**2 + c) / (2*x_1 + b)
 
diff --git a/packages/nibijs/src/chain/chain.ts b/packages/nibijs/src/chain/chain.ts
index f4850560..34e652c8 100644
--- a/packages/nibijs/src/chain/chain.ts
+++ b/packages/nibijs/src/chain/chain.ts
@@ -112,9 +112,12 @@ export const Devnet = (chainNumber: number) =>
 
 export const queryChainIdWithRest = async (chain: Chain) => {
   const queryChainId = async (chain: Chain): Promise<string> => {
-    const response = await window.fetch(`${chain.endptRest}/node_info`)
-    const nodeInfo: { node_info: { network: string } } = await response.json()
-    return nodeInfo.node_info.network
+    const response = await window.fetch(
+      `${chain.endptRest}/cosmos/base/tendermint/v1beta1/node_info`
+    )
+    const nodeInfo: { default_node_info: { network: string } } =
+      await response.json()
+    return nodeInfo.default_node_info.network
   }
 
   const { res: chainId, err } = await go(queryChainId(chain))