diff --git a/How-to-Format-SDCard.md b/How-to-Format-SDCard.md
index 22f3110..46fae09 100644
--- a/How-to-Format-SDCard.md
+++ b/How-to-Format-SDCard.md
@@ -18,5 +18,5 @@ Just use Disk Utility app.
 - If your sdcard capacity is smaller or equal than/to 32G, just right-click the sdcard driver in Explorer
 - If your sdcard capacity is greater than 32G, Download a free partition manager (for example Disk Genius) and format with it.
 
-# I DON'T KNOW WHAT IS WINDOWS/Linux/macOS
+# I DON'T KNOW WHAT ARE Windows/Linux/macOS
 Just follow the Windows chapter.
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