From 5e64479c06b5880182e2b6276f94ba9fd3c75106 Mon Sep 17 00:00:00 2001
From: Adrien Crivelli <adrien.crivelli@gmail.com>
Date: Sun, 28 Jun 2020 17:34:50 +0900
Subject: [PATCH] Document the callback

---
 src/PhpSpreadsheet/Writer/Html.php | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/PhpSpreadsheet/Writer/Html.php b/src/PhpSpreadsheet/Writer/Html.php
index 752f286f..f3b40fa1 100644
--- a/src/PhpSpreadsheet/Writer/Html.php
+++ b/src/PhpSpreadsheet/Writer/Html.php
@@ -208,9 +208,15 @@ class Html extends BaseWriter
         return $html;
     }
 
-    public function setEditHtmlCallback(?callable $cbk): void
+    /**
+     * Set a callback to edit the entire HTML.
+     *
+     * The callback must accept the HTML as string as first parameter,
+     * and it must return the edited HTML as string.
+     */
+    public function setEditHtmlCallback(?callable $callback): void
     {
-        $this->editHtmlCallback = $cbk;
+        $this->editHtmlCallback = $callback;
     }
 
     const VALIGN_ARR = [