diff --git a/docs/user-guide/install.rst b/docs/user-guide/install.rst
index 43f882928d39..d53830a0cb37 100644
--- a/docs/user-guide/install.rst
+++ b/docs/user-guide/install.rst
@@ -52,3 +52,5 @@ Basically, MXNet.jl will search ``libmxnet.so`` or ``libmxnet.dll`` in the follo
 * ``$MXNET_HOME/lib``: customized libmxnet builds
 * ``Pkg.dir("MXNet")/deps/usr/lib``: automatic builds
 * Any system wide library search path
+
+Note that MXNet.jl will not find ``libmxnet.so`` even if it is on one of the paths above if a library it depends upon is missing from the ``LD_LIBRARY_PATH``.  Thus, if you are going to compile to add CUDA, the path to the CUDA libraries will have to be added to ``LD_LIBRARY_PATH``.