diff --git a/theHarvester/__main__.py b/theHarvester/__main__.py
index e53333bf..7f02c1bb 100644
--- a/theHarvester/__main__.py
+++ b/theHarvester/__main__.py
@@ -21,23 +21,23 @@ async def start():
     parser = argparse.ArgumentParser(
         description='theHarvester is used to gather open source intelligence (OSINT) on a\n'
                     'company or domain.')
-    parser.add_argument('-d', '--domain', help='company name or domain to search', required=True)
-    parser.add_argument('-l', '--limit', help='limit the number of search results, default=500', default=500, type=int)
-    parser.add_argument('-S', '--start', help='start with result number X, default=0', default=0, type=int)
-    parser.add_argument('-g', '--google-dork', help='use Google Dorks for Google search', default=False, action='store_true')
-    parser.add_argument('-p', '--proxies', help='use proxies for requests, enter proxies in proxies.yaml', default=False, action='store_true')
-    parser.add_argument('-s', '--shodan', help='use Shodan to query discovered hosts', default=False, action='store_true')
-    parser.add_argument('-v', '--virtual-host', help='verify host name via DNS resolution and search for virtual hosts', action='store_const', const='basic', default=False)
-    parser.add_argument('-e', '--dns-server', help='DNS server to use for lookup')
-    parser.add_argument('-t', '--dns-tld', help='perform a DNS TLD expansion discovery, default False', default=False)
-    parser.add_argument('-r', '--take-over', help='Check for takeovers', default=False, action='store_true')
-    parser.add_argument('-n', '--dns-lookup', help='enable DNS server lookup, default False', default=False, action='store_true')
-    parser.add_argument('-c', '--dns-brute', help='perform a DNS brute force on the domain', default=False, action='store_true')
-    parser.add_argument('-f', '--filename', help='save the results to an HTML and/or XML file', default='', type=str)
+    parser.add_argument('-d', '--domain', help='Company name or domain to search.', required=True)
+    parser.add_argument('-l', '--limit', help='Limit the number of search results, default=500.', default=500, type=int)
+    parser.add_argument('-S', '--start', help='Start with result number X, default=0.', default=0, type=int)
+    parser.add_argument('-g', '--google-dork', help='Use Google Dorks for Google search.', default=False, action='store_true')
+    parser.add_argument('-p', '--proxies', help='Use proxies for requests, enter proxies in proxies.yaml.', default=False, action='store_true')
+    parser.add_argument('-s', '--shodan', help='Use Shodan to query discovered hosts.', default=False, action='store_true')
+    parser.add_argument('-v', '--virtual-host', help='Verify host name via DNS resolution and search for virtual hosts.', action='store_const', const='basic', default=False)
+    parser.add_argument('-e', '--dns-server', help='DNS server to use for lookup.')
+    parser.add_argument('-t', '--dns-tld', help='Perform a DNS TLD expansion discovery, default False.', default=False)
+    parser.add_argument('-r', '--take-over', help='Check for takeovers.', default=False, action='store_true')
+    parser.add_argument('-n', '--dns-lookup', help='Enable DNS server lookup, default False.', default=False, action='store_true')
+    parser.add_argument('-c', '--dns-brute', help='Perform a DNS brute force on the domain.', default=False, action='store_true')
+    parser.add_argument('-f', '--filename', help='Save the results to an HTML and/or XML file.', default='', type=str)
     parser.add_argument('-b', '--source', help='''baidu, bing, bingapi, bufferoverun, certspotter, crtsh, dnsdumpster,
                         dogpile, duckduckgo, exalead, github-code, google,
                         hackertarget, hunter, intelx, linkedin, linkedin_links, netcraft, otx, pentesttools,
-                        rapiddns, securityTrails, spyse, threatcrowd,
+                        rapiddns, securityTrails, spyse, suip, threatcrowd,
                         trello, twitter, vhost, virustotal, yahoo, all''')
 
     args = parser.parse_args()