Update-Guide.md

@@ -11,6 +11,11 @@
   user@host:~/repo/blocks$ conda env update --file blocks-analysis.yml
   user@host:~/repo/blocks$ conda activate blocks-analysis
   ```
+* Update a few extra dependencies that aren't packaged.
+  ``` console
+  user@host:~/repo/blocks$ pip install -U git+https://github.com/jd-jones/mathtools
+  user@host:~/repo/blocks$ pip install -U git+https://github.com/jd-jones/visiontools
+  ```
 
 # Pulling from git when your local version has been modified
 Here's a typical scenario: