Fix cFE_Users_guide.pdf 404
@@ -6,7 +6,7 @@ This repository contains NASA's Core Flight Executive (cFE), which is a framewor
This is a collection of services and associated framework to be located in the `cfe` subdirectory of a cFS Mission Tree. The Core Flight System is bundled at <https://github.com/nasa/cFS>, which includes build and execution instructions.
-The detailed cFE user's guide can be viewed at <https://github.com/nasa/cFS/blob/gh-pages/cFE_Users_Guide.pdf>.
+The detailed cFE user's guide can be viewed at <https://github.com/nasa/cFE/blob/gh-pages/cfe-usersguide.pdf>.
## Changelog
