diff --git a/base/blocks.php b/base/blocks.php
index f9b8a8f519e2945809f8e92dd5e3b97e1be28c4c..864ca34a108067a9ff2353edbfeeaf6453d88375 100644
--- a/base/blocks.php
+++ b/base/blocks.php
@@ -84,9 +84,9 @@ function blocks_declarer_tables_objets_sql($tables) {
 	];
 
 	$tables['spip_blocktypes'] = [
-		'type'                => 'blocktype',
-		'principale'          => 'oui',
-		'field'               => [
+		'type'              => 'blocktype',
+		'principale'        => 'oui',
+		'field'             => [
 			'id_blocktype' => 'bigint(21) NOT NULL',
 			'titre'        => 'text NOT NULL DEFAULT ""',
 			'description'  => 'text NOT NULL DEFAULT ""',
@@ -95,7 +95,7 @@ function blocks_declarer_tables_objets_sql($tables) {
 			'objets'       => 'text NOT NULL DEFAULT ""',
 			'maj'          => 'timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP',
 		],
-		'key'                 => [
+		'key'               => [
 			'PRIMARY KEY'            => 'id_blocktype',
 			'UNIQUE KEY identifiant' => 'identifiant',
 		],
@@ -144,6 +144,7 @@ function blocks_declarer_tables_auxiliaires($tables) {
 		],
 		'key'   => [
 			'PRIMARY KEY'         => 'id_block,id_objet,objet',
+			// clé unique : un block ne peut être associé qu'à un seul objet
 			'UNIQUE KEY id_block' => 'id_block',
 		],
 	];
diff --git a/blocks_administrations.php b/blocks_administrations.php
index 03e0eb05497c637df06404e5dfdc471d860d5bef..5821c0b7e4789b5d940233328cbeff83ca01eb4a 100644
--- a/blocks_administrations.php
+++ b/blocks_administrations.php
@@ -74,7 +74,7 @@ function blocks_installe_config() {
 	// associer par défaut aux articles
 	ecrire_config('blocks/objets',
 		[
-			0 => 'spip_articles'
+			0 => 'spip_articles',
 		],
 	);
 
@@ -135,7 +135,7 @@ function blocks_installe_config() {
 	);
 }
 
-function blocks_update_1_0_1(){
+function blocks_update_1_0_1() {
 	// renommage des tables
 	sql_alter('TABLE spip_blocs RENAME TO spip_blocks');
 	sql_alter('TABLE spip_blocs_liens RENAME TO spip_blocks_liens');
diff --git a/formulaires/editer_block.php b/formulaires/editer_block.php
index 4b80a8870de5c52659670d408d311f7cde660485..caa25370593850a44ae0fdc8e2e3b446089f2697 100644
--- a/formulaires/editer_block.php
+++ b/formulaires/editer_block.php
@@ -244,9 +244,9 @@ function formulaires_editer_block_traiter_dist($id_block = 'new', $objet = null,
 			}
 
 			if (isset($retours['redirect'])) {
-				$retours['redirect'] = parametre_url($retours['redirect'],'id_blocktype','');
-				$retours['redirect'] = parametre_url($retours['redirect'],'id_block','');
-				$retours['redirect'] = parametre_url($retours['redirect'],'edit_bloc','');
+				$retours['redirect'] = parametre_url($retours['redirect'], 'id_blocktype', '');
+				$retours['redirect'] = parametre_url($retours['redirect'], 'id_block', '');
+				$retours['redirect'] = parametre_url($retours['redirect'], 'edit_bloc', '');
 				$retours['redirect'] = ancre_url($retours['redirect'], 'block_' . $id_block);
 			}
 
@@ -254,7 +254,7 @@ function formulaires_editer_block_traiter_dist($id_block = 'new', $objet = null,
 	}
 
 	if (_request('annuler')) {
-		$retours['redirect'] = parametre_url($retour,'id_blocktype','');
+		$retours['redirect'] = parametre_url($retour, 'id_blocktype', '');
 	}
 
 	return $retours;