Index: src/wp-admin/includes/class-wp-themes-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-themes-list-table.php	(revision 45550)
+++ src/wp-admin/includes/class-wp-themes-list-table.php	(working copy)
@@ -97,11 +97,20 @@
 		$blog_id = get_current_blog_id();
 		if ( is_multisite() ) {
 			if ( current_user_can( 'install_themes' ) && current_user_can( 'manage_network_themes' ) ) {
-				printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> or <a href="%2$s">install</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $blog_id ), network_admin_url( 'theme-install.php' ) );
+				printf(
+					/* translators: 1: URL to Site Themes admin screen, 2: URL to Add Themes admin screen */
+					__( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> or <a href="%2$s">install</a> more themes.' ),
+					network_admin_url( 'site-themes.php?id=' . $blog_id ),
+					network_admin_url( 'theme-install.php' )
+				);
 
 				return;
 			} elseif ( current_user_can( 'manage_network_themes' ) ) {
-				printf( __( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%1$s">enable</a> more themes.' ), network_admin_url( 'site-themes.php?id=' . $blog_id ) );
+				printf(
+					/* translators: %s: URL to Site Themes admin screen */
+					__( 'You only have one theme enabled for this site right now. Visit the Network Admin to <a href="%s">enable</a> more themes.' ),
+					network_admin_url( 'site-themes.php?id=' . $blog_id )
+				);
 
 				return;
 			}
@@ -241,7 +250,7 @@
 				<?php
 				if ( $theme->parent() ) {
 					printf(
-						/* translators: %s: link to documentation on child themes */
+						/* translators: 1: URL to documentation on Child Themes, 2: parent theme name */
 						' <p class="howto">' . __( 'This <a href="%1$s">child theme</a> requires its parent theme, %2$s.' ) . '</p>',
 						__( 'https://developer.wordpress.org/themes/advanced-topics/child-themes/' ),
 						$theme->parent()->display( 'Name' )