diff --git a/phpBB/docs/INSTALL.html b/phpBB/docs/INSTALL.html
index 4bde6c01ea..92d4affb0e 100644
--- a/phpBB/docs/INSTALL.html
+++ b/phpBB/docs/INSTALL.html
@@ -303,7 +303,7 @@
 
 	<ul>
 		<li>Go to the <a href="https://www.phpbb.com/downloads/">downloads page</a> and download the latest update package listed there, matching your current version.</li>
-		<li>Upload the uncompressed archive contents to your phpBB installation - only the install folder is required. Upload the whole install folder, retaining the file structure.</li>
+		<li>Upload the uncompressed archive contents to your phpBB installation - only the <code>install/</code> and <code>vendor/</code> folders are required. Upload these folders in their entirety, retaining the file structure.</li>
 		<li>After the install folder is present, phpBB will go offline automatically.</li>
 		<li>Point your browser to the install directory, for example <code>http://www.example.com/phpBB3/install/</code></li>
 		<li>Choose the "Update" Tab and follow the instructions</li>
diff --git a/phpBB/language/en/install.php b/phpBB/language/en/install.php
index a2b27f0a60..107de9c64f 100644
--- a/phpBB/language/en/install.php
+++ b/phpBB/language/en/install.php
@@ -547,7 +547,7 @@ $lang = array_merge($lang, array(
 		<ul style="margin-left: 20px; font-size: 1.1em;">
 			<li>Go to the <a href="https://www.phpbb.com/downloads/" title="https://www.phpbb.com/downloads/">phpBB.com downloads page</a> and download the "Automatic Update Package" archive.<br /><br /></li>
 			<li>Unpack the archive.<br /><br /></li>
-			<li>Upload the complete uncompressed install folder to your phpBB root directory (where your config.php file is).<br /><br /></li>
+			<li>Upload the complete uncompressed "install" and "vendor" folders to your phpBB root directory (where your config.php file is).<br /><br /></li>
 		</ul>
 
 		<p>Once uploaded your board will be offline for normal users due to the install directory you uploaded now present.<br /><br />