[#6104] Minor formatting fixes

Author: wouterj

components/security/secure_tools.rst

@@ -1,5 +1,5 @@
-Securely Generating Random Values 
-=================================
+Securely Comparing Strings and Generating Random Values
+=======================================================
 
 The Symfony Security component comes with a collection of nice utilities
 related to security. These utilities are used by Symfony, but you should
@@ -25,8 +25,7 @@ Generating a Secure Random String
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 Whenever you need to generate a secure random string, you are highly
-encouraged to use the 
-:phpfunction:`random_bytes` function::
+encouraged to use the :phpfunction:`random_bytes` function::
 
     $random = random_bytes(10);
 
@@ -35,26 +34,26 @@ the number bytes passed as an argument (10 in the above example).
 
 .. tip::
 
-    The ``random_bytes()`` function returns a binary string which may contain the
-    ``\0`` character. This can cause trouble in several common scenarios, such
-    as storing this value in a database or including it as part of the URL. The
-    solution is to encode or hash the value returned by ``random_bytes()`` (to do that, you
-    can use a simple ``base64_encode()`` PHP function).
+    The ``random_bytes()`` function returns a binary string which may contain
+    the ``\0`` character. This can cause trouble in several common scenarios,
+    such as storing this value in a database or including it as part of the
+    URL. The solution is to encode or hash the value returned by
+    ``random_bytes()`` (to do that, you can use a simple ``base64_encode()``
+    PHP function).
 
 Generating a Secure Random Number
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 If you need to generate a cryptographically secure random integer, you should
-use the
-:phpfunction:`random_int` function::
+use the :phpfunction:`random_int` function::
 
     $random = random_int(1, 10);
 
 .. note::
 
-    PHP 7 and up provide the ``random_bytes()`` and ``random_int()`` functions natively,
-    for older versions of PHP a polyfill is provided by the `Symfony Polyfill Component`_
-    and the `paragonie/random_compat package`_.
+    PHP 7 and up provide the ``random_bytes()`` and ``random_int()`` functions
+    natively, for older versions of PHP a polyfill is provided by the
+    `Symfony Polyfill Component`_ and the `paragonie/random_compat package`_.
 
 .. _`Timing attack`: https://en.wikipedia.org/wiki/Timing_attack
 .. _`Symfony Polyfill Component`: https://github.com/symfony/polyfill