diff --git a/README.md b/README.md
index f7ec712..9ee284f 100644
--- a/README.md
+++ b/README.md
@@ -109,6 +109,7 @@ Command Examples (for Singularity only):
 2. Create anaconda environment, and then install dependent libraries
 
     conda create -c rdkit -n ann_env rdkit python=3.5.2
+	
     pip install -r singularity-install/requirements.txt
 
 3. Run your algorithm scripts by SLURM shell
diff --git a/requirements.txt b/requirements.txt
index 4b8d866..244077a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,4 +9,4 @@ psutil==5.4.2
 scipy==1.0.0
 scikit-learn==0.19.1
 jinja2==2.10
-h5sparse=0.1.0
+h5sparse==0.1.0
diff --git a/singularity-install/requirements.txt b/singularity-install/requirements.txt
index 5677802..dc5013c 100644
--- a/singularity-install/requirements.txt
+++ b/singularity-install/requirements.txt
@@ -8,4 +8,4 @@ psutil==5.4.2
 scipy==1.0.0
 scikit-learn==0.19.1
 jinja2==2.10
-h5sparse=0.1.0
+h5sparse==0.1.0