diff --git a/src/wp-admin/network/themes.php b/src/wp-admin/network/themes.php
index d0d4c98368..2b9132f1c7 100644
--- a/src/wp-admin/network/themes.php
+++ b/src/wp-admin/network/themes.php
@@ -182,9 +182,9 @@ if ( $action ) {
 						wp_nonce_field( 'bulk-themes' );
 
 						if ( 1 == $themes_to_delete ) {
-							submit_button( __( 'Yes, Delete this theme' ), 'button', 'submit', false );
+							submit_button( __( 'Yes, delete this theme' ), 'button', 'submit', false );
 						} else {
-							submit_button( __( 'Yes, Delete these themes' ), 'button', 'submit', false );
+							submit_button( __( 'Yes, delete these themes' ), 'button', 'submit', false );
 						}
 					?>
 				</form>
@@ -192,7 +192,7 @@ if ( $action ) {
 				$referer = wp_get_referer();
 				?>
 				<form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
-					<?php submit_button( __( 'No, Return me to the theme list' ), 'button', 'submit', false ); ?>
+					<?php submit_button( __( 'No, return me to the theme list' ), 'button', 'submit', false ); ?>
 				</form>
 
 				<p><a href="#" onclick="jQuery('#files-list').toggle(); return false;"><?php _e('Click to view entire list of files which will be deleted'); ?></a></p>
diff --git a/src/wp-admin/plugins.php b/src/wp-admin/plugins.php
index 0aea9995b0..75f2491705 100644
--- a/src/wp-admin/plugins.php
+++ b/src/wp-admin/plugins.php
@@ -330,13 +330,13 @@ if ( $action ) {
 						}
 					?>
 					<?php wp_nonce_field('bulk-plugins') ?>
-					<?php submit_button( $data_to_delete ? __( 'Yes, Delete these files and data' ) : __( 'Yes, Delete these files' ), 'button', 'submit', false ); ?>
+					<?php submit_button( $data_to_delete ? __( 'Yes, delete these files and data' ) : __( 'Yes, delete these files' ), 'button', 'submit', false ); ?>
 				</form>
 				<?php
 				$referer = wp_get_referer();
 				?>
 				<form method="post" action="<?php echo $referer ? esc_url( $referer ) : ''; ?>" style="display:inline;">
-					<?php submit_button( __( 'No, Return me to the plugin list' ), 'button', 'submit', false ); ?>
+					<?php submit_button( __( 'No, return me to the plugin list' ), 'button', 'submit', false ); ?>
 				</form>
 
 				<p><a href="#" onclick="jQuery('#files-list').toggle(); return false;"><?php _e('Click to view entire list of files which will be deleted'); ?></a></p>
diff --git a/src/wp-includes/theme-compat/comments.php b/src/wp-includes/theme-compat/comments.php
index d46c0419cd..6314d69f24 100644
--- a/src/wp-includes/theme-compat/comments.php
+++ b/src/wp-includes/theme-compat/comments.php
@@ -27,10 +27,10 @@ _deprecated_file( sprintf( __( 'Theme without %1$s' ), basename(__FILE__) ), '3.
 		<?php
 			if ( 1 == get_comments_number() ) {
 				/* translators: %s: post title */
-				printf( __( 'One Response to %s' ),  '&#8220;' . get_the_title() . '&#8221;' );
+				printf( __( 'One response to %s' ),  '&#8220;' . get_the_title() . '&#8221;' );
 			} else {
 				/* translators: 1: number of comments, 2: post title */
-				printf( _n( '%1$s Response to %2$s', '%1$s Responses to %2$s', get_comments_number() ),
+				printf( _n( '%1$s response to %2$s', '%1$s responses to %2$s', get_comments_number() ),
 					number_format_i18n( get_comments_number() ),  '&#8220;' . get_the_title() . '&#8221;' );
 			}
 		?>