diff --git a/doc/Quickstart.md b/doc/Quickstart.md
index eff5992674b6fd8599532c3e102d3dbc0a2711fd..3d6f714ed10a2f6603d05bea94c21d040c98c918 100644
--- a/doc/Quickstart.md
+++ b/doc/Quickstart.md
@@ -70,6 +70,9 @@ $ 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