Fix English and improve by Stas. Thanks :)

CODING_STANDARDS

@@ -166,9 +166,10 @@ User Functions/Methods Naming Conventions
 Internal Function Naming Convensions
 ----------------------
 
-1.  Exposed module API must be named 'php_modulename_function()' to avoid
-    symbol collision. They should be in lowercase, with words underscore
-    delimited. Exposed API must be defined in 'php_modulename.h'.
+1.  Functions that are part of the external API should be named
+    'php_modulename_function()' to avoid symbol collision. They should be in
+    lowercase, with words underscore delimited. Exposed API must be defined
+    in 'php_modulename.h'.
 
     PHPAPI char *php_session_create_id(PS_CREATE_SID_ARGS);
 
@@ -179,7 +180,7 @@ Internal Function Naming Convensions
 
 2.  Main module source file must be named 'modulename.c'.
 
-3.  Header file that are used by other sources must be named 'php_modulename.h'.
+3.  Header file that is used by other sources must be named 'php_modulename.h'.
 
 
 Syntax and indentation

README.EXT_SKEL

@@ -91,7 +91,7 @@ FORMAT OF FUNCTION DEFINITIONS FILE
 
     module_name_function(int arg1, int arg2 [, int arg3 [, int arg4]])
 
-  Arguments arg1 and arg2 is required.
+  Arguments arg1 and arg2 are required.
   Arguments arg3 and arg4 are optional.
 
   If possible, the function definition should also contain it's return type

README.SUBMITTING_PATCH

@@ -50,13 +50,16 @@ Please make the mail subject prefix "[PATCH]".  If attaching a patch,
 ensure it has a file extension of ".txt".  This is because only MIME
 attachments of type 'text/*' are accepted.
 
-Preferred way to propose PHP patch is sending pull request from github.
+The preferred way to propose PHP patch is sending pull request from
+github.
 
 https://github.com/php/php-src
 
-Fork official PHP repository and send pull request. It will be notified
-to pull request mailing list. You can add pull requests to
-http://bugs.php.net/ reports also.
+Fork the official PHP repository and send a pull request. A
+notification will be sent to the pull request mailing list. Sending a
+note to PHP Internals list ([email protected]) may help getting
+more feedback and quicker turnaround.  You can also add pull requests
+to bug reports at http://bugs.php.net/.
 
 
 PHP Documentation Patches