Update README.md

Author: jukent

README.md

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 # Intake Cookbook
 
 [![nightly-build](https://github.com/ProjectPythiaCookbooks/intake-cookbook/actions/workflows/nightly-build.yaml/badge.svg)](https://github.com/ProjectPythiaCookbooks/intake-cookbook/actions/workflows/nightly-build.yaml)
-[![Binder](https://binder.mypythia.org/badge_logo.svg)](http://binder.mypythia.org/v2/gh/ProjectPythiaCookbooks/intake-cookbook/main?labpath=notebooks)
+[![Binder](http://binder.mypythia.org/badge_logo.svg)](http://binder.mypythia.org/v2/gh/ProjectPythiaCookbooks/intake-cookbook/main?labpath=notebooks)
 
 This Project Pythia Cookbook covers using and creating Intake catalogs to access data.