Fix the markdown URL in the sample notebook
URLs without `https://` are relative.
@@ -20,7 +20,7 @@ In the notebook, you can write markdown, math and python. use %% then:
I **can** bold things and _italicize_ them. You got the gist, this is standard
-markdown syntax that you can [google](google.com).
+markdown syntax that you can [google](https://google.com).
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