Fix grammar errors in the README.md

Author: jiristrouhal

python_client/README.md

@@ -1,7 +1,7 @@
 # Internal client examples
 
-This repo contains implementation of example module device using internal client for fleet protocol v2.
-These devices is a virtual button which sends its current state and expects state of it's LED as response.
+This repo contains an implementation of the Example Module using the Internal Client for Fleet Protocol v2.
+The devices supported by this module are virtual buttons which send their current state and expect state of their LED as response.
 
 #### Preparing environment
 
@@ -20,15 +20,15 @@ pip install -r requirements.txt
 
 ## Button
 
-Button is a simple button device which has one LED attached to it. As status, it sends JSON with key `"pressed"` indicating whether button is pressed. As command, it expects JSON with key `"lit_up"` indicating the desired state of internal LED.
+Button is a simple button device with one LED attached to it. As status, it sends JSON with key `"pressed"` indicating whether button is pressed. As command, it expects JSON with key `"lit_up"` indicating the desired state of internal LED.
 
 ### Usage
 
-Fake buttons can be run with `run_buttons.py` script. It expects config in `yaml` format which specifies attributes for button or multiple buttons (see `buttons.yaml`):
+Fake buttons can be run with the `run_buttons.py` script. It expects config in `yaml` format which specifies attributes for a button or multiple buttons (see `buttons.yaml`):
 
 ```yaml
 - button1_name:
-    type: <int> specifying module specific device type (default is 0)
+    type: <int> specifying module-specific device type (default is 0)
     role: <str> device role
     priority: <int> device priority (default is 0)
 
@@ -41,6 +41,6 @@ To run use:
 python run_buttons.py --ip <server_ip> --port <server_port> --config <path_to_yaml>
 ```
 
-Multiple fake buttons will be created according to yaml config. They will try to connect to specified server, generate and send their statuses periodically and set their LED states according to commands.
+Multiple fake buttons will be created according to yaml config. They will try to connect to the specified server, generate and send their statuses periodically, and set their LED states according to commands.
 
-> Manual mode of actual button pressing on keyboard can be specified by `--manual` argument.
+> The manual mode of the actual button pressing on the keyboard can be specified by `--manual` argument.