diff --git a/oracle-docs.perl b/oracle-docs.perl
index 5dd3ecb..d425052 100644
--- a/oracle-docs.perl
+++ b/oracle-docs.perl
@@ -6,7 +6,8 @@
 #  * Generalise so that the LaTeX output is split to use a separate hyperlink for each word in the link label (to allow the links to be wrapped across lines).  HTML version doesn't need to be changed.
  
 
-$oracle_documentation_root = 'https://docs.oracle.com/cd/E11882_01/';
+# This is a link to the root page of the documentation, not a URL prefix.
+$oracle_documentation_root = 'https://docs.oracle.com/cd/E11882_01/index.html';
 
 
 # Here's the raw data.