Swif: Fix paragraph breaks.

Author: geoffw0

swift/ql/src/queries/Security/CWE-328/WeakSensitiveDataHashing.qhelp

@@ -62,12 +62,14 @@
             The following examples show a function for fetching data from a
             URL along with a hash of the data, perhaps to check the data has
             not been tampered with.
+        </p>
 
+        <p>
             In the first case the MD5 hashing algorithm is used that is known to be vulnerable to collision attacks.
         </p>
         <sample src="WeakSensitiveDataHashingBad.swift"/>
-        <p>
 
+        <p>
             Here is the same function using SHA-512, which is a strong cryptographic hashing function.
         </p>
         <sample src="WeakSensitiveDataHashingGood.swift"/>