Update README.md

Author: LongIntegerV2

README.md

@@ -10,7 +10,7 @@
 
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-### Please note
+### Please note:
 
 This program performs port scans across thousands of IPs. It is strongly recommended that you use a VPN or proxy, and only run scans on systems you own or have explicit permission to test. Unauthorized scanning may be illegal depending on your location and circumstances. Please do your own research on applicable laws before using this tool.