diff --git a/core/api/src/jsonrpc/error.rs b/core/api/src/jsonrpc/error.rs
index e450d0c71..3ac820882 100644
--- a/core/api/src/jsonrpc/error.rs
+++ b/core/api/src/jsonrpc/error.rs
@@ -23,7 +23,7 @@ pub enum RpcError {
     GasPriceIsZero,
     #[display(fmt = "Gas price is too large")]
     GasPriceIsTooLarge,
-    #[display(fmt = "Gas limit is too low")]
+    #[display(fmt = "Gas limit is less than 21000")]
     GasLimitIsTooLow,
     #[display(fmt = "Gas limit is too large")]
     GasLimitIsTooLarge,
@@ -45,7 +45,7 @@ pub enum RpcError {
     InvalidNewestBlock(BlockId),
     #[display(fmt = "Invalid position {}", _0)]
     InvalidPosition(u64),
-    #[display(fmt = "Cannot find block")]
+    #[display(fmt = "Cannot find the block")]
     CannotFindBlock,
     #[display(fmt = "Invalid reward percentiles {} {}", _0, _1)]
     InvalidRewardPercentiles(f64, f64),
diff --git a/tests/e2e/src/eth_getStorageAt.test.js b/tests/e2e/src/eth_getStorageAt.test.js
index 94439ab05..6a4c79343 100644
--- a/tests/e2e/src/eth_getStorageAt.test.js
+++ b/tests/e2e/src/eth_getStorageAt.test.js
@@ -92,7 +92,7 @@ describe("eth_getStorageAt", () => {
     await param1.type(testDataInfo.contractAddress);
     await param2.type("0x02");
     await param3.type("0xffffffffff");
-    await goto.check(page, "Can't find this block");
+    await goto.check(page, "Cannot find the block");
   });
 
   /**