fix more headings

technology/instructor-activity.md

@@ -1,6 +1,6 @@
 # Instructor activity: Generate nbgitpuller link from scratch
 
-## Option 1 - nbgitpuller way
+## Option 1 - via nbgitpuller
 
 - Click this [link](https://datahub.berkeley.edu/hub/user-redirect/git-pull?repo=https%3A%2F%2Fgithub.com%2Fds-modules%2FDatahub-Workshop&branch=main&urlpath=tree%2FDatahub-Workshop%2Firis.ipynb) to launch a Jupyter notebook. This will clone a repository containing a Jupyter notebook to the home directory of your Berkeley Jupyterhub account.
 - Execute all the cells in the "iris.ipynb" notebook which is located inside "datahub_workshop_feb24" directory
@@ -15,7 +15,7 @@
 - Share the nbgitpuller link with another collaborator who is attending the workshop
 
 
-## Option 2 - PDF wag
+## Option 2 - via Jupyter notebook
 
 - Click this [link](https://drive.google.com/drive/u/1/folders/12qOYTF3JELjBuofxsC4ktLBZFt2GD1TG) to download a PDF containing python code
 - Login to https://datahub.berkeley.edu/