diff --git a/app/soapbox/features/account/components/header.tsx b/app/soapbox/features/account/components/header.tsx
index 48c1eff8f..af6e3d079 100644
--- a/app/soapbox/features/account/components/header.tsx
+++ b/app/soapbox/features/account/components/header.tsx
@@ -67,6 +67,7 @@ const messages = defineMessages({
   userEndorsed: { id: 'account.endorse.success', defaultMessage: 'You are now featuring @{acct} on your profile' },
   userUnendorsed: { id: 'account.unendorse.success', defaultMessage: 'You are no longer featuring @{acct}' },
   profileExternal: { id: 'account.profile_external', defaultMessage: 'View profile on {domain}' },
+  header: { id: 'account.header.alt', defaultMessage: 'Profile header' },
 });
 
 interface IHeader {
@@ -556,7 +557,7 @@ const Header: React.FC<IHeader> = ({ account }) => {
             <a href={account.header} onClick={handleHeaderClick} target='_blank'>
               <StillImage
                 src={account.header}
-                alt='Profile Header'
+                alt={intl.formatMessage(messages.header)}
               />
             </a>
           )}
diff --git a/app/soapbox/features/onboarding/steps/avatar-selection-step.tsx b/app/soapbox/features/onboarding/steps/avatar-selection-step.tsx
index 936b59a51..f5f9f7274 100644
--- a/app/soapbox/features/onboarding/steps/avatar-selection-step.tsx
+++ b/app/soapbox/features/onboarding/steps/avatar-selection-step.tsx
@@ -1,6 +1,6 @@
 import classNames from 'clsx';
 import React from 'react';
-import { FormattedMessage } from 'react-intl';
+import { defineMessages, FormattedMessage } from 'react-intl';
 import { useDispatch } from 'react-redux';
 
 import { patchMe } from 'soapbox/actions/me';
@@ -11,6 +11,10 @@ import resizeImage from 'soapbox/utils/resize-image';
 
 import type { AxiosError } from 'axios';
 
+const messages = defineMessages({
+  error: { id: 'onboarding.error', defaultMessage: 'An unexpected error occurred. Please try again or skip this step.' },
+});
+
 /** Default avatar filenames from various backends */
 const DEFAULT_AVATARS = [
   '/avatars/original/missing.png', // Mastodon
@@ -64,7 +68,7 @@ const AvatarSelectionStep = ({ onNext }: { onNext: () => void }) => {
         if (error.response?.status === 422) {
           dispatch(snackbar.error((error.response.data as any).error.replace('Validation failed: ', '')));
         } else {
-          dispatch(snackbar.error('An unexpected error occurred. Please try again or skip this step.'));
+          dispatch(snackbar.error(messages.error));
         }
       });
     }).catch(console.error);
diff --git a/app/soapbox/features/onboarding/steps/bio-step.tsx b/app/soapbox/features/onboarding/steps/bio-step.tsx
index 77205b001..38ec425ad 100644
--- a/app/soapbox/features/onboarding/steps/bio-step.tsx
+++ b/app/soapbox/features/onboarding/steps/bio-step.tsx
@@ -11,6 +11,7 @@ import type { AxiosError } from 'axios';
 
 const messages = defineMessages({
   bioPlaceholder: { id: 'onboarding.bio.placeholder', defaultMessage: 'Tell the world a little about yourself…' },
+  error: { id: 'onboarding.error', defaultMessage: 'An unexpected error occurred. Please try again or skip this step.' },
 });
 
 const BioStep = ({ onNext }: { onNext: () => void }) => {
@@ -37,7 +38,7 @@ const BioStep = ({ onNext }: { onNext: () => void }) => {
         if (error.response?.status === 422) {
           setErrors([(error.response.data as any).error.replace('Validation failed: ', '')]);
         } else {
-          dispatch(snackbar.error('An unexpected error occurred. Please try again or skip this step.'));
+          dispatch(snackbar.error(messages.error));
         }
       });
   };
diff --git a/app/soapbox/features/onboarding/steps/cover-photo-selection-step.tsx b/app/soapbox/features/onboarding/steps/cover-photo-selection-step.tsx
index e753a935b..e1a9c5f30 100644
--- a/app/soapbox/features/onboarding/steps/cover-photo-selection-step.tsx
+++ b/app/soapbox/features/onboarding/steps/cover-photo-selection-step.tsx
@@ -1,6 +1,6 @@
 import classNames from 'clsx';
 import React from 'react';
-import { FormattedMessage } from 'react-intl';
+import { defineMessages, FormattedMessage, useIntl } from 'react-intl';
 import { useDispatch } from 'react-redux';
 
 import { patchMe } from 'soapbox/actions/me';
@@ -12,6 +12,11 @@ import resizeImage from 'soapbox/utils/resize-image';
 
 import type { AxiosError } from 'axios';
 
+const messages = defineMessages({
+  header: { id: 'account.header.alt', defaultMessage: 'Profile header' },
+  error: { id: 'onboarding.error', defaultMessage: 'An unexpected error occurred. Please try again or skip this step.' },
+});
+
 /** Default header filenames from various backends */
 const DEFAULT_HEADERS = [
   '/headers/original/missing.png', // Mastodon
@@ -24,6 +29,7 @@ const isDefaultHeader = (url: string) => {
 };
 
 const CoverPhotoSelectionStep = ({ onNext }: { onNext: () => void }) => {
+  const intl = useIntl();
   const dispatch = useDispatch();
   const account = useOwnAccount();
 
@@ -65,7 +71,7 @@ const CoverPhotoSelectionStep = ({ onNext }: { onNext: () => void }) => {
         if (error.response?.status === 422) {
           dispatch(snackbar.error((error.response.data as any).error.replace('Validation failed: ', '')));
         } else {
-          dispatch(snackbar.error('An unexpected error occurred. Please try again or skip this step.'));
+          dispatch(snackbar.error(messages.error));
         }
       });
     }).catch(console.error);
@@ -90,7 +96,6 @@ const CoverPhotoSelectionStep = ({ onNext }: { onNext: () => void }) => {
           <div className='sm:pt-10 sm:w-2/3 md:w-1/2 mx-auto'>
             <Stack space={10}>
               <div className='border border-solid border-gray-200 dark:border-gray-800 rounded-lg'>
-                {/* eslint-disable-next-line jsx-a11y/interactive-supports-focus */}
                 <div
                   role='button'
                   className='relative h-24 bg-gray-200 dark:bg-gray-800 rounded-t-md flex items-center justify-center'
@@ -98,7 +103,7 @@ const CoverPhotoSelectionStep = ({ onNext }: { onNext: () => void }) => {
                   {selectedFile || account?.header && (
                     <StillImage
                       src={selectedFile || account.header}
-                      alt='Profile Header'
+                      alt={intl.formatMessage(messages.header)}
                       className='absolute inset-0 object-cover rounded-t-md'
                     />
                   )}
diff --git a/app/soapbox/features/onboarding/steps/display-name-step.tsx b/app/soapbox/features/onboarding/steps/display-name-step.tsx
index 25dd49ba6..5d2e101b2 100644
--- a/app/soapbox/features/onboarding/steps/display-name-step.tsx
+++ b/app/soapbox/features/onboarding/steps/display-name-step.tsx
@@ -11,6 +11,7 @@ import type { AxiosError } from 'axios';
 
 const messages = defineMessages({
   usernamePlaceholder: { id: 'onboarding.display_name.placeholder', defaultMessage: 'Eg. John Smith' },
+  error: { id: 'onboarding.error', defaultMessage: 'An unexpected error occurred. Please try again or skip this step.' },
 });
 
 const DisplayNameStep = ({ onNext }: { onNext: () => void }) => {
@@ -48,7 +49,7 @@ const DisplayNameStep = ({ onNext }: { onNext: () => void }) => {
         if (error.response?.status === 422) {
           setErrors([(error.response.data as any).error.replace('Validation failed: ', '')]);
         } else {
-          dispatch(snackbar.error('An unexpected error occurred. Please try again or skip this step.'));
+          dispatch(snackbar.error(messages.error));
         }
       });
   };
diff --git a/app/soapbox/features/verification/registration.tsx b/app/soapbox/features/verification/registration.tsx
index 4d6edbc6d..6539ca8c8 100644
--- a/app/soapbox/features/verification/registration.tsx
+++ b/app/soapbox/features/verification/registration.tsx
@@ -18,7 +18,7 @@ import type { AxiosError } from 'axios';
 const messages = defineMessages({
   success: { id: 'registrations.success', defaultMessage: 'Welcome to {siteTitle}!' },
   usernameLabel: { id: 'registrations.username.label', defaultMessage: 'Your username' },
-  usernameHint: { id: 'registrations.username.hint', defaultMessage: 'May only contain A-Z, 0-9, and underscores', },
+  usernameHint: { id: 'registrations.username.hint', defaultMessage: 'May only contain A-Z, 0-9, and underscores' },
   usernameTaken: { id: 'registrations.unprocessable_entity', defaultMessage: 'This username has already been taken.' },
   passwordLabel: { id: 'registrations.password.label', defaultMessage: 'Password' },
   error: { id: 'registrations.error', defaultMessage: 'Failed to register your account.' },
diff --git a/app/soapbox/features/verification/steps/__tests__/email-verification.test.tsx b/app/soapbox/features/verification/steps/__tests__/email-verification.test.tsx
index 9e05686b7..fc9131b97 100644
--- a/app/soapbox/features/verification/steps/__tests__/email-verification.test.tsx
+++ b/app/soapbox/features/verification/steps/__tests__/email-verification.test.tsx
@@ -23,7 +23,7 @@ describe('<EmailVerification />', () => {
     it('successfully submits', async() => {
       render(<EmailVerification />);
 
-      await userEvent.type(screen.getByLabelText('Email Address'), 'foo@bar.com{enter}');
+      await userEvent.type(screen.getByLabelText('E-mail address'), 'foo@bar.com{enter}');
 
       await waitFor(() => {
         fireEvent.submit(
@@ -50,7 +50,7 @@ describe('<EmailVerification />', () => {
     it('renders errors', async() => {
       render(<EmailVerification />);
 
-      await userEvent.type(screen.getByLabelText('Email Address'), 'foo@bar.com{enter}');
+      await userEvent.type(screen.getByLabelText('E-mail address'), 'foo@bar.com{enter}');
 
       await waitFor(() => {
         fireEvent.submit(
diff --git a/app/soapbox/locales/en.json b/app/soapbox/locales/en.json
index b7c280137..bac5c3ea6 100644
--- a/app/soapbox/locales/en.json
+++ b/app/soapbox/locales/en.json
@@ -432,7 +432,7 @@
   "emoji_button.objects": "Objects",
   "emoji_button.people": "People",
   "emoji_button.recent": "Frequently used",
-  "emoji_button.search": "Search...",
+  "emoji_button.search": "Search…",
   "emoji_button.search_results": "Search results",
   "emoji_button.symbols": "Symbols",
   "emoji_button.travel": "Travel & Places",
@@ -1071,7 +1071,7 @@
   "upload_form.description": "Describe for the visually impaired",
   "upload_form.preview": "Preview",
   "upload_form.undo": "Delete",
-  "upload_progress.label": "Uploading...",
+  "upload_progress.label": "Uploading…",
   "video.close": "Close video",
   "video.download": "Download file",
   "video.exit_fullscreen": "Exit full screen",