Grammar in user manual

UserManual.md

@@ -443,7 +443,7 @@ Notes:
 
 Mongoose is multithreaded web server. `mg_start()` function allocates
 web server context (`struct mg_context`), which holds all information
-about the web server instance:
+about web server instance:
 
 - configuration options. Note that mongoose makes internal copies of
   passed options.
@@ -453,26 +453,27 @@ about the web server instance:
 - a queue for accepted sockets
 - mutexes and condition variables for inter-thread synchronization
 
-When `mg_start()` returns, all initiazation is quaranteed to be complete
-(e.g. listening ports are opened, SSL is initialized). `mg_start()` starts
+When `mg_start()` returns, all initialization is quaranteed to be complete
+(e.g. listening ports are opened, SSL is initialized, etc). `mg_start()` starts
 two threads: a master thread, that accepts new connections, and several
 worker threads, that process accepted connections. The number of worker threads
 is configurable via `num_threads` configuration option. That number puts a
 limit on number of simultaneous requests that can be handled by mongoose.
 
-When master thread accepts new connection, accepted socket (described by
+When master thread accepts new connection, a new accepted socket (described by
 `struct socket`) it placed into the accepted sockets queue,
 which has size of 20 (see [code](https://github.com/valenok/mongoose/blob/3892e0199e6ca9613b160535d9d107ede09daa43/mongoose.c#L486)). Any idle worker thread
-can grab accepted sockets from that queue. If all worker threads are busy
-mongoose can accept and queue 20 more TCP connections, filling the queue.
-In the attempt to queue next accepted connection, master thread will block
+can grab accepted sockets from that queue. If all worker threads are busy,
+master thread can accept and queue up to 20 more TCP connections,
+filling up the queue.
+In the attempt to queue next accepted connection, master thread blocks
 until there is space in a queue. When master thread is blocked on a
 full queue, TCP layer in OS can also queue incoming connection.
 The number is limited by the `listen()` call parameter on listening socket,
 which is `SOMAXCONN` in case of Mongoose, and depends on a platform.
 
 Worker threads are running in an infinite loop, which in simplified form
-look something like this:
+looks something like this:
 
     static void *worker_thread() {
       while (consume_socket()) {