index: canonical root instead of filename

diff --git a/index.plp b/index.plp
index 8ce5b8cdd75c511de2877ee4228f4d1f8084d694..022a2981b668cafa1cca8ecfca7a1a871a2351c8 100644 (file)
--- a/index.plp
+++ b/index.plp
@@ -2,6 +2,7 @@
 
 Html({
        title => 'cheat sheets',
+       canonical => '/',
        version => '1.17',
        description => [
                "Cheat sheets summarising various software programs and standards.",