typos and repetetive words

Author: OskarStark

components/cache/adapters/php_files_adapter.rst

@@ -37,7 +37,7 @@ file similar to the following::
 
     If you have configured OPcache to
     :ref:`not check the file timestamps <performance-dont-check-timestamps>`
-    the cached items will not not be invalidated unless you clear OPcache.
+    the cached items will not be invalidated unless you clear OPcache.
 
 The PhpFilesAdapter can optionally be provided a namespace, default cache lifetime, and cache
 directory path as constructor arguments::

profiler/matchers.rst

@@ -110,7 +110,7 @@ matcher::
         }
     }
 
-Then, you'll need to make sure your class is defined as as service. If you're using
+Then, you'll need to make sure your class is defined as a service. If you're using
 the :ref:`default services.yml configuration <service-container-services-load-example>`,
 you don't need to do anything!
 

security/custom_password_authenticator.rst

@@ -151,7 +151,7 @@ the ``encoders`` key. Below, you'll see how to inject that into the ``TimeAuthen
 Configuration
 -------------
 
-Now, make sure your ``TimeAuthenticator`` is registered as as service. If you're
+Now, make sure your ``TimeAuthenticator`` is registered as a service. If you're
 using the :ref:`default services.yml configuration <service-container-services-load-example>`,
 that happens automatically.