diff --git a/helper.py b/helper.py
index 4ad35f6..95b41b8 100644
--- a/helper.py
+++ b/helper.py
@@ -55,9 +55,11 @@ def parse_arguments():
 
 def normalize_urls(urls):
     #1. Strip whitespace and keep only the last part in case of spaces
-    #2. Add protocol in front of urls which are not http or ftp
-    #3. Remove duplicates from url list
+    #2. Remove trailing slash from urls
+    #3. Add protocol in front of urls which are not http or ftp
+    #4. Remove duplicates from url list
     urls = [url.strip().split()[-1] for url in urls]
+    urls = [url.rstrip('/') for url in urls]
     urls = ['http://' + url if urlparse.urlparse(url).scheme != 'http' and urlparse.urlparse(url).scheme != 'ftp'
             else url for url in urls]
     urls = list(set(urls))
@@ -75,5 +77,5 @@ def print_args(args):
 def print_urls(urls):
     print "\n{URL list}:"
     for i, url in enumerate(urls):
-        print str(i+1) + '. ' + url
+        print str(i + 1) + '. ' + url
     print "\nTotal: %d URLs" % len(urls)
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