missing a comma after target
https://github.com/XJTUmg/ExampleCode/blob/master/ArticulationPoints/ArticulationPoints.sql#L11

I wonder if you can put an arrow pointing to the articulation points on the results slide
https://docs.google.com/presentation/d/1nXxZ1-ty3EM08PSIb3-7uvL1eFDJeVuPlE8T20gBHdo/present#slide=id.g24590b898f_0_168