diff --git a/4chanthreadfinder.py b/4chanthreadfinder.py
index fbb6cd9..640c47b 100755
--- a/4chanthreadfinder.py
+++ b/4chanthreadfinder.py
@@ -118,7 +118,7 @@ def item_dl(sources, dlfolder):
     dir_content = listdir(dlfolder)
     for index,source in enumerate(sources):
         imagename = findall(r"[^\/]*$", source)[0]
-        if imagename or f"{imagename} (01).jpg" in dir_content:
+        if imagename or f"{imagename} (1).jpg" in dir_content:
             sources.pop(index)
             print(f"Found duplicate {imagename}")
 
@@ -136,22 +136,22 @@ def constant_dl(folder, url):
     - folder: folder to dl into
     - url : board to watch
     '''
+    while True:
+        sleep(2)
+        soup = html_get(url)
+        hrefs = thread_finder(soup, keyword)
+        sources = scraper(soup)
+        #item_dl(sources, folder)
 
-    sleep(2)
-    soup = html_get(url)
-    hrefs = thread_finder(soup, keyword)
-    sources = scraper(soup)
-    #item_dl(sources, folder)
+        #Dling all threads found
 
-    #Dling all threads found
-
-    #oneshot
-    for href in hrefs:
-        print(f"going after {url}{href}")
-        subsoup = html_get(f"{url}{href}")
-        subsources = scraper(subsoup)
-        print(subsources)
-        item_dl(subsources, folder)
+        #oneshot
+        for href in hrefs:
+            print(f"going after {url}{href}")
+            subsoup = html_get(f"{url}{href}")
+            subsources = scraper(subsoup)
+            print(subsources)
+            item_dl(subsources, folder)
 
 
 
@@ -188,5 +188,4 @@ else:
     for thread in thread_objects:
         thread.start()
 
-#constant
 
diff --git a/README.md b/README.md
index cb48db7..415630c 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Install depedencies:
 python3 -m pip install beautifulsoup4 mechanicalsoup wget --user
 ```
 
-Use:
+Use (oneshot):
 
 ```
 ./4chanthreadfinder.py -u https://boards.4chan.org/b/ -f ./downloads/thread -k 'ylyl thread'
@@ -38,3 +38,14 @@ Use:
 * -f : folder where you want to download all pictures
 * -k : keyword or keyphrase to search (better use a single word !)
 
+Use (constant, multi-threaded):
+```
+./4chanthreadfinder.py -u https://boards.4chan.org/b/ -f ./downloads/threads -k 'thread' -c -t 3
+```
+* -u : URL of the page
+* -f : folder where you want to download all pictures
+* -k : keyword or keyphrase to search (better use a single word !)
+* -c : constant : enables constant downloading
+* -t 3 : number of threads. Here, 3 threads keep on running to constantly download
+
+