Updated text in README.

Author: arut

README.rst

@@ -153,12 +153,12 @@ Send flags
 Blocking operations
 ===================
 
-Nginx is a non-blocking server.  Using blocking operations, while serving a
-request, will significantly decrease its performance.  The nginx-python-module
-provides substitutions for common blocking operations in Python, making those
-changes transparent for user.  That means, you can use common blocking Python
-operations, while their implementations will rely on nginx non-blocking core.
-The list of classes and functions, unblocked by the module:
+Nginx is a non-blocking server.  Using blocking operations while serving client
+requests, will significantly decrease its performance.  The nginx-python-module
+provides unblocked substitutions for common blocking operations in Python, and
+makes these changes transparent for user.  This means, you can use common
+blocking Python operations, while their implementations will rely on nginx
+non-blocking core.  The list of classes and functions unblocked by the module:
 
 - ``socket.socket`` class.  Unconnected (UDP) sockets, as well as Python SSL
   socket wrappers are not supported.