diff --git a/protocol.txt b/protocol.txt
index 3d769c7..bbc2532 100644
--- a/protocol.txt
+++ b/protocol.txt
@@ -1,36 +1,36 @@
 === Session creation ===
 
-Url: Server url
+Url: Server url + "/server/config.php"
 Parameters as GET:
     * login: User's login in plain text.
     * password: User's password in plain text.
     * version: Client's version, for example 3.3.1762.
     * os: Computer's operating system, at the moment only "windows", "mac" and "linux" are supported.
     * bits: Architecture size, at the moment only "32bit" and "64bit" are supported.
-    * cpu_family: CPU's family, on linux it can be get in /proc/cpuinfo via the attribute "cpu family".
-    * cpu_model: CPU's model, on linux it can be get in /proc/cpuinfo via the attribute "model".
-    * cpu_model_name: CPU's model as human readable, on linux it can be get in /proc/cpuinfo via the attribute "model name".
-    * cpu_cores: Number of core (or thread) available.
-    * ram: Memory available in kilo bytes.
-    * ram_max: Maximum memory allowed for render (in kilo bytes).
-    * extras (optional): Extra data use for the configuration.
-    * hostname (optional): Hostname of the machine, it's useful when the user have multiple machines with same hardware configuration. It's only used for display for server website.
+    * cpu_family: CPU's family, on linux it can be found in /proc/cpuinfo via the attribute "cpu family".
+    * cpu_model: CPU's model, on linux it can be found in /proc/cpuinfo via the attribute "model".
+    * cpu_model_name: CPU's model in human readable format, on linux it can be found in /proc/cpuinfo via the attribute "model name".
+    * cpu_cores: Number of cores (or thread) available.
+    * ram: Memory available (in kilobytes).
+    * ram_max: Maximum memory allowed for renderer (in kilobytes).
+    * extras (optional): Extra data used for the configuration.
+    * hostname (optional): Hostname of the machine, useful for distinguishing multiple machines with the same hardware configuration. Only used for display on the website.
 
 Answer in case of error:
 <?xml version="1.0" encoding="utf-8" ?>
 <config status="X" />
 where X:
-    * 100 => Error no version given.
+    * 100 => No version given.
     * 101 => Client is too old.
     * 102 => Authentication failure.
-    * 103 => WebSession have expired.
+    * 103 => WebSession has expired.
     * 104 => Missing parameter.
     * something else => Unknown error.
 
 Answer with no error:
-The status="0" to specify everything is okay, plus a list of destination for request, validation job, etc.
-It provide a destination for error, job request, job validation, download needed file, heart beat (keepmealive), logout, thumbnail of last frame rendered and how many credits was earned so far.
-The maximum duration between two heart beat is given by the attribute "max-period" who is in second.
+A status of "0" to specify everything is okay, plus a list of URL paths for request, validation job, etc.
+A path is provided for error, job request, job validation, download needed file, heartbeat (keepmealive), logout, thumbnail of last frame rendered and how many credits have been earned so far.
+The maximum duration between two heartbeats in seconds is given by the attribute "max-period".
 <?xml version="1.0" encoding="utf-8" ?>
 <config status="0">
     <request type="validate-job" path="/server/send_frame.php" />
@@ -54,7 +54,7 @@ No additional parameter is required.
 Url: use the request type "download-archive" from the configuration answer.
 Parameter as GET or POST:
     * type: "binary"
-    * job: id of the job
+    * job: ID of the job
 
 Answer:
 No error: the file
@@ -66,7 +66,7 @@ On error: an 404 http code
 Url: use the request type "download-archive" from the configuration answer.
 Parameter as GET or POST:
     * type: "job"
-    * job: Id of the job
+    * job: ID of the job
 
 Answer:
 No error: the file
@@ -77,10 +77,10 @@ On error: an 404 http code
 
 Url: use the request type "request-job" from the configuration answer.
 Parameter as GET or POST:
-    * computemethod: What are my computer capability, 0 for using gpu and cpu (the computer is capable of using both but it will not use it at the same time), 1 for cpu only, 2 for gpu only. 
+    * computemethod: What compute types are available on this machine. 0 for CPU or GPU, 1 for CPU only, 2 for GPU only. 
     * cpu_cores: Number of cores currently available for rendering (optional).
     * gpu_model: Model name of the GPU available for rendering
-    * gpu_ram: GPU's memory (in byte)
+    * gpu_ram: GPU memory size (in bytes)
 
 Answer in case of error:
 <?xml version="1.0" encoding="utf-8" ?>
@@ -89,11 +89,11 @@ where X:
     * 0   => No error
     * 200 => No job available, the client should wait few minutes before requesting a new job (typical value is 1hour).
     * 201 => The client does not have rendering right.
-    * 202 => Client's session is dead. Client should do a config request before requesting a new job.
-    * 203 => Client's session have been disabled (usually because the client is sending broken frame). The client warms the end user and logout.
-    * 205 => No renderer is available for Client's hardware (pair of OS and architecture). For example Blender is not available for MacOS 32bits.
-    * 206 => Server is in maintenance mode, it will not give frame to do (but it will keep the session alive).
-    * 207 => Server is too busy to run the scheduler, it will not give frame to do (but it will keep the session alive).
+    * 202 => Client's session is dead. Client should send another config request before requesting a new job.
+    * 203 => Client's session has been disabled (usually because the client is sending broken frames). The client should alert the end user and logout.
+    * 205 => No renderer is available for Client's hardware (pair of OS and architecture). For example, Blender is not available for MacOS 32bits.
+    * 206 => Server is in maintenance mode, and is not issuing jobs (but it will keep the session alive). Try again in a few minutes.
+    * 207 => Server is overloaded, and is not issuing jobs (but it will keep the session alive). Try again in a few minutes.
     * something else => unknown error
     
 Answer with no error:
@@ -123,7 +123,7 @@ if fileformat != 'BMP' and fileformat != 'PNG' and fileformat != 'JPEG' and file
 
 Url: use the request type "validate-job" from the configuration answer.
 Parameter as GET or POST:
-    * job: Job's id
+    * job: Job ID
     * frame: Job's frame number
     * rendertime: Job's render time
     * extras: Job's extra data
@@ -139,16 +139,16 @@ where X:
     * 0 => No error
     * 300 => Missing parameter in request.
     * 301 => Client generated a broken frame (usually an too old gpu who generated black frame).
-    * 302 => Client sent a file who is not an image.
+    * 302 => File uploaded was not an image.
     * 303 => Failed to upload the image to the server.
     * 304 => Client's session is disabled or dead.
     * something else => unknown error
 
-=== Session heart bit ===
+=== Session heartbeat ===
 
 Url: use the request type "keepmealive" from the configuration answer.
 Parameter as GET or POST:
-    * job: Id of the rendering job
+    * job: ID of the rendering job
     * frame: Frame number of the rendering job
     * extras: Extras data get on job request of the rendering job
     * rendertime: current render time (optional)
@@ -159,13 +159,13 @@ Answer:
 <keepmealive status="X" />
 where X:
     * 0 => No error.
-    * 400 => Stop this job (usually because the job has be cancelled on the server side).
+    * 400 => Stop this job (usually because the job has been cancelled).
 
 === Error send ===
 
 Url: use the request type "error" from the configuration answer.
 Parameter as GET or POST:
-    * job: job's id
+    * job: job ID
     * frame: job's frame number
     * extras: job's extra data
     * rendertime (optional): job's frame number