diff --git a/phpBB/adm/style/acp_ext_list.html b/phpBB/adm/style/acp_ext_list.html
index b8b3d2c68a7..dc6dcf1797a 100644
--- a/phpBB/adm/style/acp_ext_list.html
+++ b/phpBB/adm/style/acp_ext_list.html
@@ -106,9 +106,9 @@ <h1>{L_EXTENSIONS_ADMIN}</h1>
 			<tr>
 				<td class="row3">
 					<ol>
-						<li>{{ lang(['EXTENSION_INSTALLING_EXPLAIN', 'step_1']) }}</li>
-						<li>{{ lang(['EXTENSION_INSTALLING_EXPLAIN', 'step_2']) }}</li>
-						<li>{{ lang(['EXTENSION_INSTALLING_EXPLAIN', 'step_3']) }}</li>
+						{% for step in lang_raw('EXTENSION_INSTALLING_EXPLAIN') %}
+							<li>{{ step }}</li>
+						{% endfor %}
 					</ol>
 				</td>
 			</tr>
@@ -118,10 +118,9 @@ <h1>{L_EXTENSIONS_ADMIN}</h1>
 			<tr>
 				<td class="row3">
 					<ol>
-						<li>{{ lang(['EXTENSION_UPDATING_EXPLAIN', 'step_1']) }}</li>
-						<li>{{ lang(['EXTENSION_UPDATING_EXPLAIN', 'step_2']) }}</li>
-						<li>{{ lang(['EXTENSION_UPDATING_EXPLAIN', 'step_3']) }}</li>
-						<li>{{ lang(['EXTENSION_UPDATING_EXPLAIN', 'step_4']) }}</li>
+						{% for step in lang_raw('EXTENSION_UPDATING_EXPLAIN') %}
+							<li>{{ step }}</li>
+						{% endfor %}
 					</ol>
 				</td>
 			</tr>
@@ -131,9 +130,9 @@ <h1>{L_EXTENSIONS_ADMIN}</h1>
 			<tr>
 				<td class="row3">
 					<ol>
-						<li>{{ lang(['EXTENSION_REMOVING_EXPLAIN', 'step_1']) }}</li>
-						<li>{{ lang(['EXTENSION_REMOVING_EXPLAIN', 'step_2']) }}</li>
-						<li>{{ lang(['EXTENSION_REMOVING_EXPLAIN', 'step_3']) }}</li>
+						{% for step in lang_raw('EXTENSION_REMOVING_EXPLAIN') %}
+							<li>{{ step }}</li>
+						{% endfor %}
 					</ol>
 				</td>
 			</tr>
diff --git a/phpBB/language/en/acp/extensions.php b/phpBB/language/en/acp/extensions.php
index 311cfa74f32..bf854cdb7b4 100644
--- a/phpBB/language/en/acp/extensions.php
+++ b/phpBB/language/en/acp/extensions.php
@@ -91,22 +91,22 @@
 	'EXTENSION_OPTIONS'			=> 'Options',
 	'EXTENSION_INSTALLING_HEADLINE'	=> 'Installing an extension',
 	'EXTENSION_INSTALLING_EXPLAIN'	=> [
-		'step_1' => 'Download an extension from phpBB’s extensions database',
-		'step_2' => 'Unzip the extension and upload it to the <samp>ext/</samp> directory of your phpBB board',
-		'step_3' => 'Enable the extension, here in the Extensions manager',
+		0 => 'Download an extension from phpBB’s extensions database',
+		1 => 'Unzip the extension and upload it to the <samp>ext/</samp> directory of your phpBB board',
+		2 => 'Enable the extension, here in the Extensions manager',
 	],
 	'EXTENSION_REMOVING_HEADLINE'	=> 'Deleting an extension from your board',
 	'EXTENSION_REMOVING_EXPLAIN'	=> [
-		'step_1' => 'Disable the extension',
-		'step_2' => 'Delete the extension’s data',
-		'step_3' => 'Delete the extension‘s files from the filesystem',
+		0 => 'Disable the extension',
+		1 => 'Delete the extension’s data',
+		2 => 'Delete the extension‘s files from the filesystem',
 	],
 	'EXTENSION_UPDATING_HEADLINE'	=> 'Updating an extension',
 	'EXTENSION_UPDATING_EXPLAIN'	=> [
-		'step_1' => 'Disable the extension',
-		'step_2' => 'Delete the extension’s files from the filesystem',
-		'step_3' => 'Upload the new files',
-		'step_4' => 'Enable the extension',
+		0 => 'Disable the extension',
+		1 => 'Delete the extension’s files from the filesystem',
+		2 => 'Upload the new files',
+		3 => 'Enable the extension',
 	],
 
 	'EXTENSION_DELETE_DATA_CONFIRM'	=> 'Are you sure that you wish to delete the data associated with “%s”?<br /><br />This removes all of its data and settings and cannot be undone!',