diff --git a/src/wp-admin/includes/class-custom-background.php b/src/wp-admin/includes/class-custom-background.php
index 3dab05c99a49c..d8500d8570405 100644
--- a/src/wp-admin/includes/class-custom-background.php
+++ b/src/wp-admin/includes/class-custom-background.php
@@ -354,7 +354,7 @@ public function admin_page() {
 		<input type="file" id="upload" name="import" />
 		<input type="hidden" name="action" value="save" />
 			<?php wp_nonce_field( 'custom-background-upload', '_wpnonce-custom-background-upload' ); ?>
-			<?php submit_button( __( 'Upload' ), '', 'submit', false ); ?>
+			<?php submit_button( _x( 'Upload', 'verb' ), '', 'submit', false ); ?>
 	</p>
 	<p>
 		<label for="choose-from-library-link"><?php _e( 'Or choose an image from your media library:' ); ?></label><br />
diff --git a/src/wp-admin/includes/class-custom-image-header.php b/src/wp-admin/includes/class-custom-image-header.php
index 480a0643244d4..2e1bf47fdaf5e 100644
--- a/src/wp-admin/includes/class-custom-image-header.php
+++ b/src/wp-admin/includes/class-custom-image-header.php
@@ -664,7 +664,7 @@ public function step_1() {
 		<input type="file" id="upload" name="import" />
 		<input type="hidden" name="action" value="save" />
 			<?php wp_nonce_field( 'custom-header-upload', '_wpnonce-custom-header-upload' ); ?>
-			<?php submit_button( __( 'Upload' ), '', 'submit', false ); ?>
+			<?php submit_button( _x( 'Upload', 'verb' ), '', 'submit', false ); ?>
 	</p>
 			<?php
 			$modal_update_href = add_query_arg(
diff --git a/src/wp-admin/includes/class-wp-theme-install-list-table.php b/src/wp-admin/includes/class-wp-theme-install-list-table.php
index ca179b6c2d972..bf2d2fb34d36a 100644
--- a/src/wp-admin/includes/class-wp-theme-install-list-table.php
+++ b/src/wp-admin/includes/class-wp-theme-install-list-table.php
@@ -60,7 +60,7 @@ public function prepare_items() {
 		if ( 'search' === $tab ) {
 			$tabs['search'] = __( 'Search Results' );
 		}
-		$tabs['upload']   = __( 'Upload' );
+		$tabs['upload']   = _x( 'Upload', 'noun' );
 		$tabs['featured'] = _x( 'Featured', 'themes' );
 		//$tabs['popular']  = _x( 'Popular', 'themes' );
 		$tabs['new']     = _x( 'Latest', 'themes' );
diff --git a/src/wp-admin/includes/media.php b/src/wp-admin/includes/media.php
index 82187fd62e50d..4484d1672519e 100644
--- a/src/wp-admin/includes/media.php
+++ b/src/wp-admin/includes/media.php
@@ -2277,11 +2277,11 @@ function media_upload_form( $errors = null ) {
 		<label class="screen-reader-text" for="async-upload">
 			<?php
 			/* translators: Hidden accessibility text. */
-			_e( 'Upload' );
+			_ex( 'Upload', 'verb' );
 			?>
 		</label>
 		<input type="file" name="async-upload" id="async-upload" />
-		<?php submit_button( __( 'Upload' ), 'primary', 'html-upload', false ); ?>
+		<?php submit_button( _x( 'Upload', 'verb' ), 'primary', 'html-upload', false ); ?>
 		<a href="#" onclick="try{top.tb_remove();}catch(e){}; return false;"><?php _e( 'Cancel' ); ?></a>
 	</p>
 	<div class="clear"></div>