diff --git a/_config.yml b/_config.yml
index 4ed49de6..3b08de7a 100644
--- a/_config.yml
+++ b/_config.yml
@@ -15,8 +15,8 @@ remote_theme: dpshelio/indigo-jekyll
 crumbs:
   - link: https://www.ucl.ac.uk/arc
     text: Advanced Research Computing
-  - link: https://www.ucl.ac.uk/advanced-research-computing/about-our-training
-    text: Training
+  - link: https://www.ucl.ac.uk/advanced-research-computing/teaching
+    text: Teaching
 
 kramdown:
   hard_wrap: false
diff --git a/ch00git/index.md b/ch00git/index.md
index 6a1b2005..94333519 100644
--- a/ch00git/index.md
+++ b/ch00git/index.md
@@ -9,4 +9,4 @@ title: Version Control
 * Branching
 * Rebasing and Merging
 * Debugging with GitBisect
-* Forks, Pull Requests and the GitHub Flow
\ No newline at end of file
+* Forks, Pull Requests and the GitHub Flow
diff --git a/ch08performance/index.md b/ch08performance/index.md
index fbb218ad..7ce6ad99 100644
--- a/ch08performance/index.md
+++ b/ch08performance/index.md
@@ -6,4 +6,5 @@ title: Programming for Speed
 * Profiling
 * Scaling laws
 * NumPy
+* Miscellaneous libraries
 * Cython
diff --git a/index.md b/index.md
index 72dcc641..288e5525 100644
--- a/index.md
+++ b/index.md
@@ -117,6 +117,7 @@ Members of doctoral training schools, or Masters courses who offer this module a
 <li>Profiling</li>
 <li>Scaling laws</li>
 <li>NumPy</li>
+<li>Miscellaneous libraries</li>
 <li>Cython</li>
  </ul>
    </td>