diff --git a/doc/Quickstart.md b/doc/Quickstart.md
index c31e94f0fadd1b8295ff5e499596e53a62a807d7..c048113b9bc25f19b7e7ec7fcb0948bf43b8fbf4 100644
--- a/doc/Quickstart.md
+++ b/doc/Quickstart.md
@@ -75,6 +75,9 @@ $ rustup default nightly
 $ cargo install cargo-clone xargo
 ```
 
+> **NOTE** If the `cargo install` fails you may need to install `pkg-config`. In Arch this can be
+> accomplished with the `pacman -S pkg-config` command.
+
 ## Demo
 
 In the first part of the demo we'll use command line tools in the terminal then we'll transition to