Update SECURITY.md

SECURITY.md

@@ -1,5 +1,5 @@
 ## Some clients might not be safe!
 
 Use these at your own risk. Some problems are glitching screens, keybinds changing, etc.
-These clients can be malicious, but we can't tell which ones. That's why we need **you!**
+These clients can be malicious, and that's why we need **you!**
 You can help us identify these clients by telling us which ones in the discussions section.