diff --git a/conf/biowulf.config b/conf/biowulf.config
index 48277abb..40ce52cf 100644
--- a/conf/biowulf.config
+++ b/conf/biowulf.config
@@ -26,21 +26,21 @@ env {
 
 
 process {
-            executor = 'slurm'
-            maxRetries = 1
-            queue = 'norm'
-            queueSize = 200
-            pollInterval = '2 min'
-            queueStatInterval = '5 min'
-            submitRateLimit = '6/1min'
-            retry.maxAttempts = 1
-      
-            clusterOptions = ' --gres=lscratch:200 '
-            scratch = '/lscratch/$SLURM_JOB_ID'
-            stageInMode = 'symlink'
-            stageOutMode = 'rsync'
-            // for running pipeline on group sharing data directory, this can avoid inconsistent files timestamps
-            cache = 'lenient'
+    executor = 'slurm'
+    maxRetries = 1
+    queue = 'norm'
+    queueSize = 200
+    pollInterval = '2 min'
+    queueStatInterval = '5 min'
+    submitRateLimit = '6/1min'
+    retry.maxAttempts = 1
+
+    clusterOptions = ' --gres=lscratch:200 '
+    scratch = '/lscratch/$SLURM_JOB_ID'
+    stageInMode = 'symlink'
+    stageOutMode = 'rsync'
+    // for running pipeline on group sharing data directory, this can avoid inconsistent files timestamps
+    cache = 'lenient'
 }