diff --git a/docs/index.html b/docs/index.html
index 50bd1e81f..1c34d286a 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -3246,7 +3246,7 @@
         number of scanlines). If the '*' character is present, it means
         the display format was auto-detected as shown. For the given example,
         the format was auto-detected as 'NTSC'.</li>
-      <li>Effective emulation speed displayed as frames per seconds and user
+      <li>Effective emulation speed displayed as frames per second and user
         defined emulation speed displayed as percentage relative to normal speed.</li>
       <li>Cartridge information. If the '*' character is present,
         it means the bankswitch format was auto-detected as shown. The item