diff --git a/content/notes/18-advanced-sql-1.md b/content/notes/18-advanced-sql-1.md
index 5c0335ec7..ca8bee5f5 100644
--- a/content/notes/18-advanced-sql-1.md
+++ b/content/notes/18-advanced-sql-1.md
@@ -60,8 +60,8 @@ key concepts
 
 
 ## JDBI
-- bette version of JDBI
-	- layered on top of [JDBC](#JDBC)
+- better version of [JDBC](notes/java-database-connectibity.md)
+	- layered on top of it
 	- better APIs
 	- less code
 - simple class <-> table mapping 
diff --git a/content/notes/info-201.md b/content/notes/info-201.md
index cd8a02c38..45a7f7a8e 100644
--- a/content/notes/info-201.md
+++ b/content/notes/info-201.md
@@ -6,7 +6,6 @@ tags:
 - course 
 - info201
 ---
-links: [_index](_index.md)
 
 - [coursework tiddlywiki](https://isgb.otago.ac.nz/infosci/INFO201/labs_release/raw/master/output/info201_labs.html#)
 - [assignments tiddlywiki](https://isgb.otago.ac.nz/info201/shared/assignments_release/raw/master/output/info201_assignments.html)