fix syntax error

docs/source/commands.rst

@@ -596,11 +596,11 @@ Trace MQTT packets, messages(sent/received) by ClientId or Topic.
 +-----------------------------------+-----------------------------------+
 | trace client <ClientId> <LogFile> | Trace a client                    |
 +-----------------------------------+-----------------------------------+
-| trace client <ClientId> off       | Stop to trace the client          |
+| trace client <ClientId> off       | Stop tracing the client           |
 +-----------------------------------+-----------------------------------+
 | trace topic <Topic> <LogFile>     | Trace a topic                     |
 +-----------------------------------+-----------------------------------+
-| trace topic <Topic> off           | Stop to trace the topic           |
+| trace topic <Topic> off           | Stop tracing the topic            |
 +-----------------------------------+-----------------------------------+
 
 trace client <ClientId> <LogFile>
@@ -615,11 +615,11 @@ Start to trace a client::
 trace client <ClientId> off
 ---------------------------
 
-Stop to trace the client::
+Stop tracing the client::
 
     $ ./bin/emqttd_ctl trace client clientid off
     
-    stop to trace client clientid successfully.
+    stop tracing client clientid successfully.
 
 trace topic <Topic> <LogFile>
 -----------------------------
@@ -633,11 +633,11 @@ Start to trace a topic::
 trace topic <Topic> off
 -----------------------
 
-Stop to trace the topic::
+Stop tracing the topic::
 
     $ ./bin/emqttd_ctl trace topic topic off
 
-    stop to trace topic topic successfully.
+    stop tracing topic topic successfully.
 
 trace list
 ----------

docs/source/getstarted.rst

@@ -11,7 +11,7 @@ Overview
 
 emqttd(Erlang MQTT Broker) is an open source MQTT broker written in Erlang/OTP. Erlang/OTP is a concurrent, fault-tolerant, soft-realtime and distributed programming platform. MQTT is an extremely lightweight publish/subscribe messaging protocol powering IoT, M2M and Mobile applications.
 
-The emqttd project is aimed to implement a scalable, distributed, extensible open-source MQTT broker for IoT, M2M and Mobile applications that hope to handle ten millions of concurrent MQTT clients.
+The emqttd project is aimed to implement a scalable, distributed, extensible open-source MQTT broker for IoT, M2M and Mobile applications that hope to handle millions of concurrent MQTT clients.
 
 Highlights of the emqttd broker:
 
@@ -93,7 +93,7 @@ Web Dashboard
 
 A Web Dashboard will be loaded automatically when the emqttd broker is started successfully.
 
-The Dashboard helps to check running status of the broker, monitor statistics and metrics of MQTT packets, query clients, sessions, topics and subscriptions.
+The Dashboard helps check running status of the broker, monitor statistics and metrics of MQTT packets, query clients, sessions, topics and subscriptions.
 
 +------------------+---------------------------+
 | Default Address  | http://localhost:18083    |
@@ -109,7 +109,7 @@ The Dashboard helps to check running status of the broker, monitor statistics an
 Modules and Plugins
 -------------------
 
-The Authentication and ACL mechanism is usually implemented by a Module or Plugin.
+The Authentication and Authorization(ACL) are usually implemented by a Module or Plugin.
 
 Modules
 -------

docs/source/index.rst

@@ -7,7 +7,7 @@
 emqttd - Erlang MQTT Broker
 ===========================
 
-emqttd(Erlang MQTT Broker) is a massively scalable, clusterable MQTT V3.1/V3.1.1 broker written in Erlang/OTP.
+emqttd(Erlang MQTT Broker) is a massively scalable and clusterable MQTT V3.1/V3.1.1 broker written in Erlang/OTP.
 
 emqttd is fully open source and licensed under the Apache Version 2.0. emqttd implements both MQTT V3.1 and V3.1.1 protocol specifications, and supports WebSocket, STOMP, SockJS, CoAP and MQTT-SN in the same time.
 

docs/source/install.rst

@@ -120,7 +120,7 @@ We could install the broker on Mac OS X to develop and debug MQTT applications.
 
 Download Mac Package from: http://emqtt.io/downloads/macosx
 
-Configure 'lager' log level in 'etc/emqttd.config', all MQTT messages recevied/sent will be printd on console:
+Configure 'lager' log level in 'etc/emqttd.config', all MQTT messages recevied/sent will be printed on console:
 
 .. code:: erlang
 
@@ -132,7 +132,7 @@ Configure 'lager' log level in 'etc/emqttd.config', all MQTT messages recevied/s
         ]}
     ]},
 
-The install and boot process on Mac is same to Linux.
+The install and boot process on Mac are same to Linux.
 
 ---------------------
 Installing on Windows

src/emqttd_cli.erl

@@ -405,9 +405,9 @@ trace(["topic", Topic, LogFile]) ->
 trace(_) ->
     ?USAGE([{"trace list",                       "query all traces"},
             {"trace client <ClientId> <LogFile>","trace client with ClientId"},
-            {"trace client <ClientId> off",      "stop to trace client"},
+            {"trace client <ClientId> off",      "stop tracing client"},
             {"trace topic <Topic> <LogFile>",    "trace topic with Topic"},
-            {"trace topic <Topic> off",          "stop to trace Topic"}]).
+            {"trace topic <Topic> off",          "stop tracing Topic"}]).
 
 trace_on(Who, Name, LogFile) ->
     case emqttd_trace:start_trace({Who, iolist_to_binary(Name)}, LogFile) of
@@ -420,9 +420,9 @@ trace_on(Who, Name, LogFile) ->
 trace_off(Who, Name) ->
     case emqttd_trace:stop_trace({Who, iolist_to_binary(Name)}) of
         ok -> 
-            ?PRINT("stop to trace ~s ~s successfully.~n", [Who, Name]);
+            ?PRINT("stop tracing ~s ~s successfully.~n", [Who, Name]);
         {error, Error} ->
-            ?PRINT("stop to trace ~s ~s error: ~p.~n", [Who, Name, Error])
+            ?PRINT("stop tracing ~s ~s error: ~p.~n", [Who, Name, Error])
     end.
 
 %%--------------------------------------------------------------------