Merge pull request github#3841 from gavinl/master

QHELP: Encryption using ECB.qhelp grammar

Author: hvitved

csharp/ql/src/Security Features/Encryption using ECB.qhelp

@@ -3,8 +3,8 @@
   "qhelp.dtd">
 <qhelp>
 <overview>
-<p>ECB should not be used as a mode for encryption. It has a dangerous weaknesses. Data is encrypted the same way every time 
-meaning the same plaintext input will always produce the same cyphertext. This makes encrypted messages very vulnerable 
+<p>ECB should not be used as a mode for encryption. It has dangerous weaknesses. Data is encrypted the same way every time 
+meaning the same plaintext input will always produce the same cyphertext. This makes encrypted messages vulnerable 
 to replay attacks.</p>
 
 </overview>