diff --git a/classes/Tools.php b/classes/Tools.php
index 302ea15f6..9a68d7685 100644
--- a/classes/Tools.php
+++ b/classes/Tools.php
@@ -512,7 +512,7 @@ class ToolsCore
 			case 4:
 				$ret = number_format($price, $c_decimals, '.', ',').$blank.$c_char;
 				break;
-			/* 0 000.00 X  Added for the switzerland currency */
+			/* 0'000.00 X  Added for the switzerland currency */
 			case 5:
 				$ret = number_format($price, $c_decimals, '.', "'").$blank.$c_char;
 				break;