diff --git a/docs/README.md b/docs/README.md
index 1d33f6f..0a7dbdb 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -185,7 +185,10 @@ sourcing the entire FSL environment. Instead, you should just put `slicesdir` in
 
 In additon, you should set:
 
-> export FSLOUTPUTTYPE=NIFTI_GZ
+```
+export FSLDIR=/path/to/fsl-6.0.7/
+export FSLOUTPUTTYPE=NIFTI_GZ
+```
 
 
 # Singularity container
diff --git a/tests/README.md b/tests/README.md
index 8697d6b..d1c2b87 100644
--- a/tests/README.md
+++ b/tests/README.md
@@ -7,6 +7,7 @@ it is depdendent on the following executables:
 * dcm2niix
 * fslroi
 * bet
+* antsRegistrationSyNQuick.sh
 
 We recommend only putting the above executables in `PATH` without sourcing extenal environments
 such as FSL's. For example--`fslroi`, `bet` could be put in `PATH` as:
@@ -15,7 +16,10 @@ such as FSL's. For example--`fslroi`, `bet` could be put in `PATH` as:
 
 In addition, you need to set:
 
-> export FSLOUTPUTTYPE=NIFTI_GZ
+```
+export FSLDIR=/path/to/fsl-6.0.7/
+export FSLOUTPUTTYPE=NIFTI_GZ
+```
 
 Moreover, you can put an `exit` statement after any line between 70-81 to run one or more tests:
 https://github.com/pnlbwh/CNN-Diffusion-MRIBrain-Segmentation/blob/a81ef7e939714f88b67c0a6e84a0ff6db7004622/tests/pipeline_test.sh#L70-L81