minor #12631 fix some issues (OskarStark)

This PR was merged into the 3.4 branch.

Discussion
----------

fix some issues

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Commits
-------

4b43d7c fix some issues

Author: OskarStark

components/class_loader/class_loader.rst

@@ -26,7 +26,7 @@ is straightforward::
 
     $loader = new ClassLoader();
 
-    // to enable searching the include path (eg. for PEAR packages)
+    // to enable searching the include path (e.g. for PEAR packages)
     $loader->setUseIncludePath(true);
 
     // ... register namespaces and prefixes here - see below

contributing/code/conventions.rst

@@ -97,7 +97,7 @@ contain deprecated methods.
 
 A new method cannot be introduced as deprecated.
 
-A feature is marked as deprecated by adding a ``@deprecated`` PHPdoc to
+A feature is marked as deprecated by adding a ``@deprecated`` PHPDoc to
 relevant classes, methods, properties, ...::
 
     /**

contributing/code/maintenance.rst

@@ -13,7 +13,7 @@ acceptable changes.
 
 .. note::
 
-    When documentation (or phpdoc) is not in sync with the code, code behavior
+    When documentation (or PHPDoc) is not in sync with the code, code behavior
     should always be considered as being the correct one.
 
 Besides bug fixes, other minor changes can be accepted in a patch version:

form/type_guesser.rst

@@ -146,7 +146,7 @@ With this knowledge, you can implement the ``guessType()`` method of the
     }
 
 This type guesser can now guess the field type for a property if it has
-PHPdoc!
+PHPDoc!
 
 Guessing Field Options
 ~~~~~~~~~~~~~~~~~~~~~~

reference/dic_tags.rst

@@ -1109,9 +1109,9 @@ required option: ``alias``, which defines the name of the extractor::
         protected $prefix;
 
         /**
-         * Extracts translation messages from a template directory to the catalogue.
+         * Extracts translation messages from a template directory to the catalog.
          */
-        public function extract($directory, MessageCatalogue $catalogue)
+        public function extract($directory, MessageCatalogue $catalog)
         {
             // ...
         }

translation/debug.rst

@@ -7,7 +7,7 @@ How to Find Missing or Unused Translation Messages
 ==================================================
 
 When maintaining an application or bundle, you may add or remove translation
-messages and forget to update the message catalogues. The ``debug:translation``
+messages and forget to update the message catalogs. The ``debug:translation``
 command helps you to find these missing or unused translation messages.
 
 Thanks to the messages extractors, the command will detect the translation