diff --git a/CHANGELOG.md b/CHANGELOG.md
index c50f4c09ba..ba8167b2bb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -44,8 +44,12 @@ and this project adheres to
   dependencies. This should also reduce the bundle size as only the English
   wordlist is shipped. ([#966])
 - @cosmjs/cli: Rename binary `cosmwasm-cli` to `cosmjs-cli` ([#1033]).
-- @cosmjs/stargate & @cosmjs/cosmwasm-stargate: Removed default types from AminoTypes. ([#1079])
-- @cosmjs/cosmwasm-stargate: getCodes() automatically loops through all pagination pages now. ([#1077])
+- @cosmjs/stargate & @cosmjs/cosmwasm-stargate: Removed default types from
+  AminoTypes. ([#1079])
+- @cosmjs/cosmwasm-stargate: getCodes() automatically loops through all
+  pagination pages now. ([#1077])
+- @cosmjs/stargate & @cosmjs/cosmwasm-stargate: Timeout Errors shows more
+  relevant information about the timeout. ([#1066])
 
 [#927]: https://github.com/cosmos/cosmjs/issues/927
 [#955]: https://github.com/cosmos/cosmjs/issues/955
@@ -57,6 +61,7 @@ and this project adheres to
 [#1026]: https://github.com/cosmos/cosmjs/issues/1026
 [#1033]: https://github.com/cosmos/cosmjs/issues/1033
 [#1053]: https://github.com/cosmos/cosmjs/issues/1053
+[#1066]: https://github.com/cosmos/cosmjs/issues/1066
 [#1077]: https://github.com/cosmos/cosmjs/issues/1077
 [#1078]: https://github.com/cosmos/cosmjs/issues/1078
 [#1079]: https://github.com/cosmos/cosmjs/issues/1079
diff --git a/packages/cosmwasm-stargate/src/cosmwasmclient.ts b/packages/cosmwasm-stargate/src/cosmwasmclient.ts
index 4ef0bd34ab..e09c76e7fa 100644
--- a/packages/cosmwasm-stargate/src/cosmwasmclient.ts
+++ b/packages/cosmwasm-stargate/src/cosmwasmclient.ts
@@ -268,7 +268,9 @@ export class CosmWasmClient {
     const pollForTx = async (txId: string): Promise<DeliverTxResponse> => {
       if (timedOut) {
         throw new TimeoutError(
-          `Transaction with ID ${txId} was submitted but was not yet found on the chain. You might want to check later.`,
+          `Transaction with ID ${txId} was submitted but was not yet found on the chain. You might want to check later. There was a wait of ${
+            timeoutMs / 10000
+          } seconds.`,
           txId,
         );
       }
diff --git a/packages/stargate/src/stargateclient.ts b/packages/stargate/src/stargateclient.ts
index 07c465a4a5..997b0328a9 100644
--- a/packages/stargate/src/stargateclient.ts
+++ b/packages/stargate/src/stargateclient.ts
@@ -350,7 +350,9 @@ export class StargateClient {
     const pollForTx = async (txId: string): Promise<DeliverTxResponse> => {
       if (timedOut) {
         throw new TimeoutError(
-          `Transaction with ID ${txId} was submitted but was not yet found on the chain. You might want to check later.`,
+          `Transaction with ID ${txId} was submitted but was not yet found on the chain. You might want to check later. There was a wait of ${
+            timeoutMs / 10000
+          } seconds.`,
           txId,
         );
       }