diff --git a/tools/biosCRC32Patcher.htm b/tools/biosCRC32Patcher.htm
index 50ca54f..7a395a3 100644
--- a/tools/biosCRC32Patcher.htm
+++ b/tools/biosCRC32Patcher.htm
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta http-equiv="content-type" content="text/html; charset=UTF-8">
     <title>Data Frog SF2000 BIOS CRC32 Patcher</title>
diff --git a/tools/bootLogoChanger.htm b/tools/bootLogoChanger.htm
index f39b619..0dbb72d 100644
--- a/tools/bootLogoChanger.htm
+++ b/tools/bootLogoChanger.htm
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
   <head>
     <meta http-equiv="content-type" content="text/html; charset=UTF-8">
     <title>Data Frog SF2000 Boot Logo Changer</title>
