diff --git a/README.md b/README.md
index 4980db6..12f48df 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ Visit the [Releases](https://github.com/captn3m0/google-sre-ebook/releases) page
 
 The other 2 SRE books are available as PDFs directly from Google:
 
-- [Building Secure & Reliable Systems](https://static.googleusercontent.com/media/sre.google/en/static/pdf/building_secure_and_reliable_systems.pdf)
+- [Building Secure & Reliable Systems](https://static.googleusercontent.com/media/sre.google/en//static/pdf/building_secure_and_reliable_systems.pdf)
 - [Training Site Reliability Engineers](https://static.googleusercontent.com/media/sre.google/en//static/pdf/training-sre.pdf)
 
 # Build