diff --git a/docs/topics/reading-and-writing-to-file.md b/docs/topics/reading-and-writing-to-file.md
index abd7c5f3..aa885f61 100644
--- a/docs/topics/reading-and-writing-to-file.md
+++ b/docs/topics/reading-and-writing-to-file.md
@@ -703,7 +703,7 @@ echo $writer->generateSheetData();
 echo $writer->generateHTMLFooter();
 ```
 
-#### Editing HTML During Save Via a Callback
+#### Editing HTML during save via a callback
 
 You can also add a callback function to edit the generated html
 before saving. For example, you could add a webfont