Fix typo in URL
diff --git a/index.php b/index.php
index e8fcce3..20cd9ff 100644
--- a/index.php
+++ b/index.php
@@ -306,7 +306,7 @@
<li value=118> <a href="extensions/EXT/EGL_EXT_gl_colorspace_display_p3.txt">EGL_EXT_gl_colorspace_display_p3_linear</a>
</li>
<li value=119> <a href="extensions/EXT/EGL_EXT_gl_colorspace_scrgb.txt">EGL_EXT_gl_colorspace_scrgb (non-linear)</a>
-<li value=120> <a href="extensions/EXT/EXT_image_implicit_sync_control.txt">EGL_EXT_image_implicit_sync_control</a>
+<li value=120> <a href="extensions/EXT/EGL_EXT_image_implicit_sync_control.txt">EGL_EXT_image_implicit_sync_control</a>
<li value=121> <a href="extensions/EXT/EGL_EXT_bind_to_front.txt">EGL_EXT_bind_to_front</a>
</li>
</ol>
