diff --git a/README.md b/README.md
index bb859ab..4cba9f0 100644
--- a/README.md
+++ b/README.md
@@ -22,5 +22,5 @@ and stop whining.
 
 ## Useful stuff
 
-* Colab: [https://colab.research.google.com/drive/1xGKYQJLKyabcSNYOiPumf9_-bbCbXke1?usp=sharing]
-* Arduino pinout: [https://www.google.com/url?q=https%3A%2F%2Fdocs.google.com%2Fspreadsheets%2Fd%2F1jgKhr-0MFtY_bFZL9xYwVsxFPt4u_5ItV8Rj7FQ7Kj4%2Fedit%3Fusp%3Dsharing]
+* [Colab](https://colab.research.google.com/drive/1xGKYQJLKyabcSNYOiPumf9_-bbCbXke1?usp=sharing)
+* [Arduino pinout](https://docs.google.com/spreadsheets/d/1jgKhr-0MFtY_bFZL9xYwVsxFPt4u_5ItV8Rj7FQ7Kj4/edit)