diff --git a/README.md b/README.md
index 12f95f0..84ef4b2 100644
--- a/README.md
+++ b/README.md
@@ -422,12 +422,12 @@ Run scATAC-pro through docker or singularity
 ----------------------------------
 In case you have problem in installing dependencies, you can run scATAC-pro without installing dependencies in **one of** the following ways:
 
-1. Run the pre-built dockerized version, pull the docker image [here](https://hub.docker.com/r/wbaopaul/scatac-pro)
+1. Run the pre-built dockerized version, pull the docker image [here](https://hub.docker.com/r/wbaopaul/scatac-pro) 
 
 2. Run it through singularity (which is more friendly with high performance cluster or HPC, and linux server) by running the following command:
 
 ```
-$ singularity pull -F docker://wbaopaul/scatac-pro 
+$ singularity pull -F docker://wbaopaul/scatac-pro:latest 
 ## will generate scatac-pro_latest.sif in current directory
 
 $ singularity exec -H YOUR_WORK_DIR --cleanenv scatac-pro_latest.sif scATAC-pro -s XXX -i XXX -c XXX
@@ -441,11 +441,11 @@ $ singularity exec -H YOUR_WORK_DIR --cleanenv scatac-pro_latest.sif scATAC-pro
 #!/bin/bash
 module load singularity
 
-singularity pull -F docker://wbaopaul/scatac-pro  ## you just need run this line once
+singularity pull -F docker://wbaopaul/scatac-pro:latest  ## you just need run this line once
 ## will generate scatac-pro_latest.sif in the current directory
 
 singularity exec --cleanenv -H /mnt/isilon/tan_lab/yuw1/run_scATAC-pro/PBMC10k scatac-pro_latest.sif \ 
-scATAC-pro -s mapping -i fastq_file1,fastq_file2 -c configure_user.txt
+scATAC-pro -s mapping -i fastq_PE1_file,fastq_PE2_file -c configure_user.txt
 
 # and then qsub mapping.sh
 ```
diff --git a/complete_update_history.md b/complete_update_history.md
index 0316c05..a12912b 100644
--- a/complete_update_history.md
+++ b/complete_update_history.md
@@ -1,6 +1,6 @@
 ## Complete Update History
 - Current version: 1.2.0
-    * update footprint dependent rgt-hint module to python3
+    * update footprint dependency *rgt-hint* module to python3
     * save qc statistics in html report into tables, and peak calling summary inf added in the report
     * add qc per cell to seurat obj metadata as: total.unique.frags, frac.peak, frac.mito,
       frac.tss, frac.promoter, and frac.enhancer