diff --git a/components/brave_rewards/resources/extension/brave_rewards/_locales/en_US/messages.json b/components/brave_rewards/resources/extension/brave_rewards/_locales/en_US/messages.json
index f7b0b16134ef..fd3501643f1e 100644
--- a/components/brave_rewards/resources/extension/brave_rewards/_locales/en_US/messages.json
+++ b/components/brave_rewards/resources/extension/brave_rewards/_locales/en_US/messages.json
@@ -1,192 +1,188 @@
 {
   "braveRewards": {
     "message": "Brave Rewards",
-    "description": ""
+    "description": "Title in welcome screen for the panel"
   },
   "welcomeButtonTextOne": {
     "message": "Start Earning Now!",
-    "description": ""
+    "description": "CTA on welcome screen in the panel, existing users"
   },
   "welcomeButtonTextTwo": {
     "message": "Join Rewards",
-    "description": ""
+    "description": "CTA on welcome screen in the panel, new users"
   },
   "welcomeDescOne": {
     "message": "Get paid for viewing ads and pay it forward to support your favorite content creators.",
-    "description": ""
+    "description": "Entry text for welcome screen in the panel, existing user"
   },
   "welcomeDescTwo": {
     "message": "You can now earn tokens for watching privacy-respecting ads.",
-    "description": ""
+    "description": "Entry text for welcome screen in the panel, new user"
   },
   "welcomeFooterTextOne": {
     "message": "Check out what’s improved",
-    "description": ""
+    "description": "Link in the footer (takes you to rewards settings page) for welcome screen in the panel, existing user"
   },
   "welcomeFooterTextTwo": {
     "message": "Learn More",
-    "description": ""
+    "description": "Link in the footer (takes you to rewards settings page) for welcome screen in the panel, new user"
   },
   "welcomeHeaderOne": {
     "message": "We’ve given Brave Payments a big upgrade.",
-    "description": ""
+    "description": "Main header title for welcome screen in the panel, existing user"
   },
   "welcomeHeaderTwo": {
     "message": "Get ready to experience the next Internet.",
-    "description": ""
+    "description": "Main header title for welcome screen in the panel, new user"
   },
   "yourWallet": {
     "message": "Your wallet",
-    "description": ""
+    "description": "Title of wallet section where we display data about wallet"
   },
   "grants": {
     "message": "Grants",
-    "description": ""
+    "description": "Title for grant section in wallet summary"
   },
   "on": {
     "message": "on",
-    "description": ""
+    "description": "The whole string is 'Enable tips on YouTube for like.'"
   },
   "verifiedPublisher": {
     "message": "Brave Verified Publisher",
-    "description": ""
+    "description": "Tells user that this particular publisher is verified publisher"
   },
   "rewardsContributeAttentionScore": {
     "message": "Attention",
-    "description": ""
+    "description": "Label for auto contribute table attention for the publisher"
   },
   "donateMonthly": {
     "message": "Tip this site monthly",
-    "description": ""
+    "description": "Label for drop down menu where user select amount for monthly contribution for particular publisher"
   },
   "includeInAuto": {
     "message": "Include in Auto-Contribute",
-    "description": ""
+    "description": "Label for checkbox that allows user to exclude publishers from auto contribute"
   },
   "donateNow": {
     "message": "Send a Tip…",
-    "description": ""
+    "description": "CTA for sending tip form site banner"
   },
   "enableTips": {
     "message": "Enable Tips",
-    "description": ""
+    "description": "The whole string is 'Enable tips on YouTube for like.'"
   },
   "for": {
     "message": "for",
-    "description": ""
+    "description": "The whole string is 'Enable tips on YouTube for like.'"
   },
   "rewardsSummary": {
     "message": "Rewards Summary",
-    "description": ""
+    "description": "Section title in wallet panel, which contains monthly rewards summary"
   },
   "monthApr": {
     "message": "April",
-    "description": ""
+    "description": "Month"
   },
   "monthAug": {
     "message": "August",
-    "description": ""
+    "description": "Month"
   },
   "monthDec": {
     "message": "December",
-    "description": ""
+    "description": "Month"
   },
   "monthFeb": {
     "message": "February",
-    "description": ""
+    "description": "Month"
   },
   "monthJan": {
     "message": "January",
-    "description": ""
+    "description": "Month"
   },
   "monthJul": {
     "message": "July",
-    "description": ""
+    "description": "Month"
   },
   "monthJun": {
     "message": "June",
-    "description": ""
+    "description": "Month"
   },
   "monthMar": {
     "message": "March",
-    "description": ""
+    "description": "Month"
   },
   "monthMay": {
     "message": "May",
-    "description": ""
+    "description": "Month"
   },
   "monthNov": {
     "message": "November",
-    "description": ""
+    "description": "Month"
   },
   "monthOct": {
     "message": "October",
-    "description": ""
+    "description": "Month"
   },
   "monthSep": {
     "message": "September",
-    "description": ""
+    "description": "Month"
   },
   "tokenGrant": {
     "message": "Token Grant",
-    "description": ""
+    "description": "Title for grant section in wallet summary"
   },
   "earningsAds": {
     "message": "Earnings from Ads",
-    "description": ""
+    "description": "Title for ads section in wallet summary"
   },
   "rewardsContribute": {
     "message": "Auto-Contribute",
-    "description": ""
+    "description": "Title for auto contribute section in wallet summary"
   },
   "oneTimeDonation": {
     "message": "One-Time Tips",
-    "description": ""
-  },
-  "total": {
-    "message": "Total",
-    "description": ""
+    "description": "Title for one time tips section in wallet summary"
   },
   "expiresOn": {
     "message": "expires on",
-    "description": ""
+    "description": "Used for grant representation. Whole string is '30.0 BAT expires on 08/05/2022'"
   },
   "recurringDonations": {
     "message": "Monthly Tips",
-    "description": ""
+    "description": "Title for monthly tips section in wallet summary"
   },
   "off": {
     "message": "Off",
-    "description": ""
+    "description": "Label used in toggle indicating that toggle is off"
   },
   "ok": {
     "message": "ok",
-    "description": ""
+    "description": "Used in notification to dismiss notification"
   },
   "braveAdsTitle": {
     "message": "Brave Ads",
-    "description": ""
+    "description": "Notification title when we display info about ads"
   },
   "braveContributeTitle": {
     "message": "Auto-Contribute",
-    "description": ""
+    "description": "Notification title when we display info about auto contribution"
   },
   "contributeNotification": {
-    "message": "You've contributed $amount$BAT",
-    "description": "",
+    "message": "You've contributed $amount$ BAT",
+    "description": "Description for successful contribution notification",
     "placeholders": {
       "amount": {
         "content": "$1",
-        "example": "10"
+        "example": "10.0"
       }
     }
   },
   "grantNotification": {
     "message": "You have a grant waiting for you.",
-    "description": ""
+    "description": "Description for new grant notification"
   },
   "braveRewardsCreatingText": {
     "message": "Creating wallet",
-    "description": ""
+    "description": "Used in a button displaying wallet creation process"
   }
 }
diff --git a/components/brave_rewards/resources/extension/brave_rewards/background/api/locale_api.ts b/components/brave_rewards/resources/extension/brave_rewards/background/api/locale_api.ts
index 9d1f60f0aa78..e78bf44273d2 100644
--- a/components/brave_rewards/resources/extension/brave_rewards/background/api/locale_api.ts
+++ b/components/brave_rewards/resources/extension/brave_rewards/background/api/locale_api.ts
@@ -22,7 +22,9 @@ export const getMessage = (message: string, substitutions?: string[]): string =>
 
 export const getUIMessages = (): Record<string, string> => {
   const strings = [
+    'braveAdsTitle',
     'braveRewards',
+    'braveRewardsCreatingText',
     'donateMonthly',
     'donateNow',
     'earningsAds',
@@ -44,6 +46,7 @@ export const getUIMessages = (): Record<string, string> => {
     'monthOct',
     'monthSep',
     'off',
+    'ok',
     'on',
     'oneTimeDonation',
     'recurringDonations',
@@ -51,7 +54,6 @@ export const getUIMessages = (): Record<string, string> => {
     'rewardsContributeAttentionScore',
     'rewardsSummary',
     'tokenGrant',
-    'total',
     'verifiedPublisher',
     'welcomeButtonTextOne',
     'welcomeButtonTextTwo',