diff --git a/.changelog/1533.trivial.md b/.changelog/1533.trivial.md
new file mode 100644
index 000000000..1b7165703
--- /dev/null
+++ b/.changelog/1533.trivial.md
@@ -0,0 +1 @@
+Add tooltip for transaction gas price explanation
diff --git a/src/app/pages/RuntimeTransactionDetailPage/index.tsx b/src/app/pages/RuntimeTransactionDetailPage/index.tsx
index 12780a25c..d5ef423a4 100644
--- a/src/app/pages/RuntimeTransactionDetailPage/index.tsx
+++ b/src/app/pages/RuntimeTransactionDetailPage/index.tsx
@@ -37,6 +37,8 @@ import { base64ToHex } from '../../utils/helpers'
 import { DappBanner } from '../../components/DappBanner'
 import { getFiatCurrencyForScope, showFiatValues } from '../../../config'
 import { convertToNano, getGasPrice } from '../../utils/number-utils'
+import Tooltip from '@mui/material/Tooltip'
+import HelpIcon from '@mui/icons-material/Help'
 
 type TransactionSelectionResult = {
   wantedTransaction?: RuntimeTransaction
@@ -322,6 +324,10 @@ export const RuntimeTransactionDetailView: FC<{
                   ...getPreciseNumberFormat(convertToNano(gasPrice)),
                   ticker: `n${tickerName}`,
                 })}
+                &nbsp;
+                <Tooltip title={t('transaction.tooltips.gasPriceExplanation')}>
+                  <HelpIcon />
+                </Tooltip>
               </dd>
             </>
           )}
diff --git a/src/locales/en/translation.json b/src/locales/en/translation.json
index 2d733f2c5..1542a87bf 100644
--- a/src/locales/en/translation.json
+++ b/src/locales/en/translation.json
@@ -459,7 +459,8 @@
       "txEncrypted": "This transaction is encrypted.",
       "txNotEncrypted": "This transaction is <strong>not</strong> encrypted.",
       "senderTooltipUnavailable": "Sender not available in selected address format",
-      "recipientTooltipUnavailable": "Recipient not available in selected address format"
+      "recipientTooltipUnavailable": "Recipient not available in selected address format",
+      "gasPriceExplanation": "For each transaction, you're charged a certain amount for the gas you use and is measured in nano ROSE(Gwei)."
     }
   },
   "runtimeEvent": {