diff --git a/lib/ProductOpener/Attributes.pm b/lib/ProductOpener/Attributes.pm
index 129bcce1198ed..64a52724cc80d 100644
--- a/lib/ProductOpener/Attributes.pm
+++ b/lib/ProductOpener/Attributes.pm
@@ -36,7 +36,6 @@ See https://wiki.openfoodfacts.org/Product_Attributes
 If new attributes are added, make sure *to update the list of fields* fetched from MongoDB
 in Display.pm (in search_and_display_products subroutine).
 
-
 =cut
 
 package ProductOpener::Attributes;
diff --git a/stop_words.txt b/stop_words.txt
index d43e00fdd4d50..c59566ab8f8a5 100644
--- a/stop_words.txt
+++ b/stop_words.txt
@@ -156,6 +156,7 @@ lc
 LCA
 legumes
 Lowercased
+m²
 Malaceous
 maltodextrine
 malus