Apply suggestions from code review

Co-authored-by: Geoffrey White <40627776+geoffw0@users.noreply.github.com>

Author: ihsinme

cpp/ql/src/experimental/Security/CWE/CWE-703/FindIncorrectlyUsedExceptions.cpp

@@ -1,5 +1,5 @@
 ...
-throw ("my exception!",546); // BBAD
+throw ("my exception!",546); // BAD
 ...
 throw errorFunc("my exception!",546); // GOOD 
 ...

cpp/ql/src/experimental/Security/CWE/CWE-703/FindIncorrectlyUsedExceptions.ql

@@ -24,7 +24,7 @@ where
         texp.getEnclosingStmt().getParentStmt*() = ts.getStmt() and
         not ts.getACatchClause().isEmpty()
       ) and
-      msg = "DllMain contains exeption no wrapped to try..catch blocks."
+      msg = "DllMain contains an exeption not wrapped in a try..catch block."
       or
       texp.getExpr().isParenthesised() and
       texp.getExpr().(CommaExpr).getLeftOperand().isConstant() and