diff --git a/README.md b/README.md
index 3f921c2..7ccb01f 100644
--- a/README.md
+++ b/README.md
@@ -13,4 +13,4 @@
 - Properties can be retrieve with `./pool.sh getp <poolname> <procid> <propname>`
 - Finally, all the processes output file can be retrieve with `./pool.sh ls <poolname>`
 
-**Finale quote:** No checks are performed on the pool.sh arguments. Be sure to use the right ones.
+**Finale quote:** No checks are performed on the pool.sh arguments. Be sure to use the right ones. Defaults configuration requires access to the `/tmp` directory.
diff --git a/pool.sh b/pool.sh
index dbaec3c..aa96cca 100755
--- a/pool.sh
+++ b/pool.sh
@@ -58,7 +58,7 @@ create() {
 }
 
 remove() {
-    refresh
+    refresh # Refresh process status and load status
     [ $nproc -gt 0 ] && abort "Processes are still running in the pool!"
     rm -rf "$pool"
 }
@@ -80,11 +80,13 @@ refresh() {
 
 run() {
     refresh
+    # Wait for room in the pool
     while [ $nproc -ge $maxproc ]
     do
         sleep $REFRESH_EVERY
         refresh
     done
+    # Create new process
     nproc=$(( nproc + 1 ))
     procid=$(( lastprocid + 1 ))
     lastprocid=$procid
@@ -92,9 +94,9 @@ run() {
     $PROC_CMD > "$pool/out_$procid" &
     procpid=$!
     [ -z "$procs" ] && procs="$procpid" || procs="$procs $procpid"
-    write_status
-    write_process
-    echo $procid
+    write_status # Update status
+    write_process # Create process properties
+    echo $procid # Return process id
 }
 
 cat_output() {