mqueue: README update

modules/mqueue/README

@@ -72,12 +72,13 @@ Chapter 1. Admin Guide
 
 1. Overview
 
-   This module offers generic message queue system in shared memory for
-   inter-process communication via config file. One example of usage is to
-   send time consuming operations to a timer process that consumes items
-   in the queue, without affecting SIP message handling.
+   The mqueue module offers a generic message queue system in shared
+   memory for inter-process communication using the config file. One
+   example of usage is to send time consuming operations to one or several
+   timer processes that consumes items in the queue, without affecting SIP
+   message handling in the socket-listening process.
 
-   There can be defined many queues, access to values being done via
+   There can be many defined queues. Access to queued values is done via
    pseudo variables.
 
 2. Dependencies
@@ -102,7 +103,7 @@ Chapter 1. Admin Guide
 
 3.1. mqueue (string)
 
-   Definition of memory queue
+   Definition of a memory queue
 
    Default value is "none".
 
@@ -111,7 +112,7 @@ Chapter 1. Admin Guide
    specifies the maximum number of items in queue, if it is execeeded the
    oldest one is removed.
 
-   The parameter can be set many time, each holding the definition of one
+   The parameter can be set many times, each holding the definition of one
    queue.
 
    Example 1.1. Set mqueue parameter
@@ -127,7 +128,7 @@ modparam("mqueue", "mqueue", "name=qaz")
    4.3. mq_pv_free(queue)
    4.4. mq_size(queue)
 
-4.1. mq_add(queue, key, value)
+4.1.  mq_add(queue, key, value)
 
    Add a new item (key, value) in the queue. If max size of queue is
    exceeded, the oldest one is removed.
@@ -137,7 +138,7 @@ modparam("mqueue", "mqueue", "name=qaz")
 mq_add("myq", "$rU", "call from $fU");
 ...
 
-4.2. mq_fetch(queue)
+4.2.  mq_fetch(queue)
 
    Take oldest item from queue and fill $mqk(queue) and $mqv(queue) pseudo
    variables.
@@ -153,17 +154,17 @@ while(mq_fetch("myq"))
 }
 ...
 
-4.3. mq_pv_free(queue)
+4.3.  mq_pv_free(queue)
 
    Free the item fetched in pseudo-variables. It is optional, a new fetch
-   frees the old values.
+   frees the previous values.
 
    Example 1.4. mq_pv_free usage
 ...
 mq_pv_free("myq");
 ...
 
-4.4. mq_size(queue)
+4.4.  mq_size(queue)
 
    Returns the current number of elements in the mqueue.