diff --git a/app/screens/post_options/__snapshots__/post_options.test.js.snap b/app/screens/post_options/__snapshots__/post_options.test.js.snap
index c7c26d3a9..79445af5b 100644
--- a/app/screens/post_options/__snapshots__/post_options.test.js.snap
+++ b/app/screens/post_options/__snapshots__/post_options.test.js.snap
@@ -119,7 +119,7 @@ exports[`PostOptions should match snapshot, no option for system message to user
       icon="bookmark"
       isLandscape={false}
       onPress={[Function]}
-      text="Mark post as unread"
+      text="Mark as Unread"
       theme={
         Object {
           "awayIndicator": "#ffbc42",
@@ -345,7 +345,7 @@ exports[`PostOptions should match snapshot, showing Delete option only for syste
       icon="bookmark"
       isLandscape={false}
       onPress={[Function]}
-      text="Mark post as unread"
+      text="Mark as Unread"
       theme={
         Object {
           "awayIndicator": "#ffbc42",
@@ -607,7 +607,7 @@ exports[`PostOptions should match snapshot, showing all possible options 1`] = `
       icon="bookmark"
       isLandscape={false}
       onPress={[Function]}
-      text="Mark post as unread"
+      text="Mark as Unread"
       theme={
         Object {
           "awayIndicator": "#ffbc42",
diff --git a/app/screens/post_options/post_options.js b/app/screens/post_options/post_options.js
index 84e9b858c..050b4fdba 100644
--- a/app/screens/post_options/post_options.js
+++ b/app/screens/post_options/post_options.js
@@ -236,7 +236,7 @@ export default class PostOptions extends PureComponent {
                 <PostOption
                     key='markUnread'
                     icon='bookmark'
-                    text={formatMessage({id: 'mobile.post_info.mark_unread', defaultMessage: 'Mark post as unread'})}
+                    text={formatMessage({id: 'mobile.post_info.mark_unread', defaultMessage: 'Mark as Unread'})}
                     onPress={this.handleMarkUnread}
                     isLandscape={isLandscape}
                     theme={theme}
diff --git a/assets/base/i18n/en.json b/assets/base/i18n/en.json
index 7931f1e32..b3d7afa32 100644
--- a/assets/base/i18n/en.json
+++ b/assets/base/i18n/en.json
@@ -360,7 +360,7 @@
   "mobile.post_info.add_reaction": "Add Reaction",
   "mobile.post_info.copy_text": "Copy Text",
   "mobile.post_info.flag": "Flag",
-  "mobile.post_info.mark_unread": "Mark post as unread",
+  "mobile.post_info.mark_unread": "Mark as Unread",
   "mobile.post_info.pin": "Pin to Channel",
   "mobile.post_info.reply": "Reply",
   "mobile.post_info.unflag": "Unflag",