diff --git a/app/javascript/mastodon/features/compose/components/upload_button.js b/app/javascript/mastodon/features/compose/components/upload_button.js
index d550019f4..9cb36167a 100644
--- a/app/javascript/mastodon/features/compose/components/upload_button.js
+++ b/app/javascript/mastodon/features/compose/components/upload_button.js
@@ -7,11 +7,9 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 
 const messages = defineMessages({
-  upload: { id: 'upload_button.label', defaultMessage: 'Add media ({formats})' },
+  upload: { id: 'upload_button.label', defaultMessage: 'Add images, a video or an audio file' },
 });
 
-const SUPPORTED_FORMATS = 'JPEG, PNG, GIF, WebM, MP4, MOV, OGG, WAV, MP3, FLAC';
-
 const makeMapStateToProps = () => {
   const mapStateToProps = state => ({
     acceptContentTypes: state.getIn(['media_attachments', 'accept_content_types']),
@@ -60,11 +58,13 @@ class UploadButton extends ImmutablePureComponent {
       return null;
     }
 
+    const message = intl.formatMessage(messages.upload);
+
     return (
       <div className='compose-form__upload-button'>
-        <IconButton icon='paperclip' title={intl.formatMessage(messages.upload, { formats: SUPPORTED_FORMATS })} disabled={disabled} onClick={this.handleClick} className='compose-form__upload-button-icon' size={18} inverted style={iconStyle} />
+        <IconButton icon='paperclip' title={message} disabled={disabled} onClick={this.handleClick} className='compose-form__upload-button-icon' size={18} inverted style={iconStyle} />
         <label>
-          <span style={{ display: 'none' }}>{intl.formatMessage(messages.upload, { formats: SUPPORTED_FORMATS })}</span>
+          <span style={{ display: 'none' }}>{message}</span>
           <input
             key={resetFileKey}
             ref={this.setRef}
diff --git a/app/javascript/mastodon/locales/ast.json b/app/javascript/mastodon/locales/ast.json
index 3989978a0..2d4f73975 100644
--- a/app/javascript/mastodon/locales/ast.json
+++ b/app/javascript/mastodon/locales/ast.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "El borrador va perdese si coles de Mastodon.",
   "upload_area.title": "Arrastra y suelta pa xubir",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "La xuba de ficheros nun ta permitida con encuestes.",
   "upload_form.audio_description": "Descripción pa persones con perda auditiva",
diff --git a/app/javascript/mastodon/locales/defaultMessages.json b/app/javascript/mastodon/locales/defaultMessages.json
index 1c194dae1..96c08f4d8 100644
--- a/app/javascript/mastodon/locales/defaultMessages.json
+++ b/app/javascript/mastodon/locales/defaultMessages.json
@@ -1206,7 +1206,7 @@
   {
     "descriptors": [
       {
-        "defaultMessage": "Add media ({formats})",
+        "defaultMessage": "Add images, a video or an audio file",
         "id": "upload_button.label"
       }
     ],
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index 248219f09..e051c59bb 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/ga.json b/app/javascript/mastodon/locales/ga.json
index 19054f716..cc82ee481 100644
--- a/app/javascript/mastodon/locales/ga.json
+++ b/app/javascript/mastodon/locales/ga.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/hi.json b/app/javascript/mastodon/locales/hi.json
index e26b607bb..3c7fe6df4 100644
--- a/app/javascript/mastodon/locales/hi.json
+++ b/app/javascript/mastodon/locales/hi.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/kn.json b/app/javascript/mastodon/locales/kn.json
index 33fec4a4c..6c68862e0 100644
--- a/app/javascript/mastodon/locales/kn.json
+++ b/app/javascript/mastodon/locales/kn.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/lt.json b/app/javascript/mastodon/locales/lt.json
index 33fec4a4c..6c68862e0 100644
--- a/app/javascript/mastodon/locales/lt.json
+++ b/app/javascript/mastodon/locales/lt.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/lv.json b/app/javascript/mastodon/locales/lv.json
index d4288f96b..aa8bc183c 100644
--- a/app/javascript/mastodon/locales/lv.json
+++ b/app/javascript/mastodon/locales/lv.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/mk.json b/app/javascript/mastodon/locales/mk.json
index 61202ec19..78cc18f53 100644
--- a/app/javascript/mastodon/locales/mk.json
+++ b/app/javascript/mastodon/locales/mk.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/ml.json b/app/javascript/mastodon/locales/ml.json
index 7b74c10ee..68b89a585 100644
--- a/app/javascript/mastodon/locales/ml.json
+++ b/app/javascript/mastodon/locales/ml.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/mr.json b/app/javascript/mastodon/locales/mr.json
index 46fd5acc5..2188d02b0 100644
--- a/app/javascript/mastodon/locales/mr.json
+++ b/app/javascript/mastodon/locales/mr.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/ms.json b/app/javascript/mastodon/locales/ms.json
index 9a9fc975a..b55fd4d43 100644
--- a/app/javascript/mastodon/locales/ms.json
+++ b/app/javascript/mastodon/locales/ms.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",
diff --git a/app/javascript/mastodon/locales/ur.json b/app/javascript/mastodon/locales/ur.json
index e3639d477..bff992983 100644
--- a/app/javascript/mastodon/locales/ur.json
+++ b/app/javascript/mastodon/locales/ur.json
@@ -422,7 +422,7 @@
   "trends.trending_now": "Trending now",
   "ui.beforeunload": "Your draft will be lost if you leave Mastodon.",
   "upload_area.title": "Drag & drop to upload",
-  "upload_button.label": "Add media ({formats})",
+  "upload_button.label": "Add images, a video or an audio file",
   "upload_error.limit": "File upload limit exceeded.",
   "upload_error.poll": "File upload not allowed with polls.",
   "upload_form.audio_description": "Describe for people with hearing loss",