fixing typos/grammar in docs (tableau#277)

* fixing typos/grammar in docs

* Update api-v1.md

* Update server-config.md

* Update server-rest.md

* Update api-v1.md

* Update server-config.md

CONTRIBUTING.md

@@ -48,8 +48,8 @@ be able to work on TabPy changes:
 
 ## Setting Up Environment
 
-Before making any code changes run environment setup script. For
-Windows run the next command from the repository root folder:
+Before making any code changes run environment setup script.
+For Windows run this command from the repository root folder:
 
 ```sh
 utils\set_env.cmd
@@ -64,7 +64,7 @@ source utils/set_env.sh
 ## Unit Tests
 
 TabPy has test suites for `tabpy-server` and `tabpy-tools` components.
-To run the unit test use `pytest` which you may need to install first
+To run the unit tests use `pytest` which you may need to install first
 (see [https://docs.pytest.org](https://docs.pytest.org) for details):
 
 ```sh
@@ -92,7 +92,7 @@ pytest tests --cov=tabpy-server/tabpy_server --cov=tabpy-tools/tabpy_tools --cov
 
 ## TabPy in Python Virtual Environment
 
-It is possible (and recommended) to run TabPy in a virtual environment, more
+It is possible (and recommended) to run TabPy in a virtual environment. More
 details are on
 [TabPy in Python virtual environment](docs/tabpy-virtualenv.md) page.
 
@@ -108,9 +108,11 @@ TOC for markdown file is built with [markdown-toc](https://www.npmjs.com/package
 markdown-toc -i docs/server-startup.md
 ```
 
+These checks will run as part of the build if you submit a pull request.
+
 ## TabPy with Swagger
 
-You can invoke TabPy Server API against running TabPy instance with Swagger:
+You can invoke the TabPy Server API against a running TabPy instance with Swagger.
 
 - Make CORS related changes in TabPy configuration file: update `tabpy-server\state.ini`
   file in your local repository to have the next settings:
@@ -122,24 +124,23 @@ Access-Control-Allow-Headers = Origin, X-Requested-with, Content-Type
 Access-Control-Allow-Methods = GET, OPTIONS, POST
 ```
 
-- Start local instance of TabPy server following [TabPy Server Startup Guide](docs/server-startup.md).
-- Run local copy of Swagger editor with steps provided at
+- Start a local instance of TabPy server following [TabPy Server Startup Guide](docs/server-startup.md).
+- Run a local copy of Swagger editor with steps provided at
   [https://github.com/swagger-api/swagger-editor](https://github.com/swagger-api/swagger-editor).
 - Open `misc/TabPy.yml` in Swagger editor.
-- In case your TabPy server runs not on `localhost:9004` update
+- In case your TabPy server does not run on `localhost:9004` update
   `host` value in `TabPy.yml` accordingly.
 
 ## Code styling
 
-On github repo for merge request `pycodestyle` is used to check Python code
-against our style conventions. You can run install it and run locally for
-file where modifications were made:
+`pycodestyle` is used to check Python code against our style conventions.
+You can run install it and run locally for files where modifications were made:
 
 ```sh
 pip install pycodestyle
 ```
 
-And then run it for file where modifications were made, e.g.:
+And then run it for files where modifications were made, e.g.:
 
 ```sh
 pycodestyle tabpy-server/server_tests/test_pwd_file.py
@@ -154,9 +155,9 @@ To install `autopep8` run the next command:
 pip install autopep8
 ```
 
-And then you can run the tool for a file. In the example below `-i`
+Then you can run the tool for a file. In the example below `-i`
 option tells `autopep8` to update the file. Without the option it
-outputs formated code to console.
+outputs formatted code to the console.
 
 ```sh
 autopep8 -i tabpy-server/server_tests/test_pwd_file.py

docs/api-v1.md

@@ -1,24 +1,24 @@
 # TabPy API v1
 
-<!-- markdownlint-disable MD004 -->
-
-<!-- toc -->
-
-- [Authentication](#authentication)
-- [http:get:: /status](#httpget-status)
-- [http:get:: /endpoints](#httpget-endpoints)
-- [http:get:: /endpoints/:endpoint](#httpget-endpointsendpoint)
-- [http:post:: /evaluate](#httppost-evaluate)
-- [http:post:: /query/:endpoint](#httppost-queryendpoint)
-
-<!-- tocstop -->
-
+<!-- markdownlint-disable MD004 -->
+
+<!-- toc -->
+
+- [Authentication](#authentication)
+- [http:get:: /status](#httpget-status)
+- [http:get:: /endpoints](#httpget-endpoints)
+- [http:get:: /endpoints/:endpoint](#httpget-endpointsendpoint)
+- [http:post:: /evaluate](#httppost-evaluate)
+- [http:post:: /query/:endpoint](#httppost-queryendpoint)
+
+<!-- tocstop -->
+
 <!-- markdownlint-enable MD004 -->
 
 ## Authentication
 
-When authentication feature is enabled for v1 API [`/info` call](server-rest.md#get-info)
-response contains authentication feature parameters, e.g.:
+When authentication is enabled for v1 API [`/info` call](server-rest.md#get-info),
+the response contains authentication feature parameters, e.g.:
 
   ```json
   {
@@ -48,9 +48,9 @@ v1 authentication specific features (see the example above):
 
 Property | Description
 --- | ---
-`required` | Authentication is never optional for client to use if it is mentioned in features list.
+`required` | Authentication is never optional for a client to use if it is in the features list.
 `methods` | List of supported authentication methods with their properties.
-`methods.basic-auth` | TabPy requires to use basic access authentication, see [TabPy Server Configuration Instructions](server-config.md#authentication) for how to configure authentication.
+`methods.basic-auth` | TabPy requires basic access authentication. See [TabPy Server Configuration Instructions](server-config.md#authentication) for how to configure authentication.
 
 <!-- markdownlint-enable MD013 -->
 
@@ -208,7 +208,7 @@ curl -X POST http://localhost:9004/evaluate \
 -d '{"data": {"_arg1": 1, "_arg2": 2}, "script": "return _arg1 + _arg2"}'
 ```
 
-It is possible to call a deployed function from within the code block, through
+It is possible to call a deployed function from within the code block through
 the predefined function `tabpy.query`. This function works like the client
 library's `query` method, and returns the corresponding data structure. The
 function must first be deployed as an endpoint in the server (for more details
@@ -229,7 +229,7 @@ Accept: application/json
   "script": "return tabpy.query('clustering', x=_arg1, y=_arg2)"}
 ```
 
-The next example shows how to call `evaluate` from a terminal using curl; this
+The next example shows how to call `evaluate` from a terminal using curl. This
 code queries the method `add` that was deployed in the section
 [deploy-function](tabpy-tools.md#deploying-a-function):
 
@@ -277,4 +277,4 @@ Using curl:
 curl -X GET http://localhost:9004/query/clustering -d \
 '{"data": {"x": [6.35, 6.40, 6.65, 8.60, 8.90, 9.00, 9.10],
            "y": [1.95, 1.95, 2.05, 3.05, 3.05, 3.10, 3.15]}}'
-```
+```

docs/server-config.md

@@ -8,7 +8,7 @@
 - [Authentication](#authentication)
   * [Enabling Authentication](#enabling-authentication)
   * [Password File](#password-file)
-  * [Setting Up Environmnet](#setting-up-environmnet)
+  * [Setting Up Environment](#setting-up-environment)
   * [Adding an Account](#adding-an-account)
   * [Updating an Account](#updating-an-account)
   * [Deleting an Account](#deleting-an-account)
@@ -85,7 +85,7 @@ Password file is a text file containing usernames and hashed passwords
 per line separated by single space. For username only ASCII characters
 are supported. Usernames are case-insensitive.
 
-Passwords in the password file are hashed with PBKDF2, [see source code
+Passwords in the password file are hashed with PBKDF2. [See source code
 for implementation details](../tabpy-server/tabpy_server/handlers/util.py).
 
 **It is highly recommended to restrict access to the password file
@@ -98,16 +98,16 @@ see how to use it.
 
 After making any changes to the password file, TabPy needs to be restarted.
 
-### Setting Up Environmnet
+### Setting Up Environment
 
-Before making any code changes run environment setup script. For
-Windows run the next command from the repository root folder:
+Before making any code changes run the environment setup script. For
+Windows run this command from the repository root folder:
 
 ```sh
 utils\set_env.cmd
 ```
 
-and for Linux or Mac the next command from the repository root folder:
+and for Linux or Mac run this command from the repository root folder:
 
 ```sh
 source utils/set_env.sh
@@ -144,15 +144,15 @@ line with the user name.
 
 ## Logging
 
-Logging for TabPy is implemented with standard Python logger and can be configured
+Logging for TabPy is implemented with Python's standard logger and can be configured
 as explained in Python documentation at
 [Logging Configuration page](https://docs.python.org/3.6/library/logging.config.html).
 
-Default config provided with TabPy is
+A default config provided with TabPy is at
 [`tabpy-server/tabpy_server/common/default.conf`](tabpy-server/tabpy_server/common/default.conf)
-and has configuration for console and file loggers. With changing the config
-user can modify log level, format of the logges messages and add or remove
-loggers.
+and has a configuration for console and file loggers. Changing the config file
+allows the user to modify the log level, format of the logged messages and
+add or remove loggers.
 
 ### Request Context Logging
 
@@ -179,3 +179,5 @@ function to evaluate=def _user_script(tabpy, _arg1, _arg2):
 ```
 
 <!-- markdownlint-enable MD040 -->
+
+No passwords are logged.

docs/server-rest.md

@@ -22,8 +22,8 @@ Python code and query deployed methods.
 ## GET /info
 
 Get static information about the server. The method doesn't require any
-authentication and returns supported API versions client can use together
-with optional and required features.
+authentication and returns supported API versions which the client can use
+together with optional and required features.
 
 ### URL
 
@@ -47,7 +47,7 @@ None.
 
 ### Response
 
-For successful call:
+For a successful call:
 
 - Status: 200
 - Content:
@@ -81,21 +81,18 @@ Response fields:
 Property | Description
 --- | ---
 `description` | String that is hardcoded in the `state.ini` file and can be edited there.
-`creation_time` |  creation time in seconds since 1970-01-01, hardcoded in the `state.ini` file, where it can be edited.
-`state_path` | state file path of the server (the value of the TABPY_STATE_PATH at the time the server was started).
+`creation_time` |  Creation time in seconds since 1970-01-01, hardcoded in the `state.ini` file, where it can be edited.
+`state_path` | State file path of the server (the value of the TABPY_STATE_PATH at the time the server was started).
 `server_version` | TabPy Server version tag. Clients can use this information for compatibility checks.
 `name` | TabPy server instance name. Can be edited in `state.ini` file.
-`version` | Collection of API versions supported by the server. Each entry in the collection is an API version which has corresponding list of properties.
+`version` | Collection of API versions supported by the server. Each entry in the collection is an API version which has a corresponding list of properties.
 `version.`*`<ver>`* | Set of properties for an API version.
-`version.`*`<ver>.features`* | Set of an API available features.
-`version.`*`<ver>.features.<feature>`* | Set of a features properties. For specific details for property meaning of a feature check documentation for specific API version.
+`version.`*`<ver>.features`* | Set of an API's available features.
+`version.`*`<ver>.features.<feature>`* | Set of a feature's properties. For specific details for a particular property meaning of a feature, check the documentation for the specific API version.
 `version.`*`<ver>.features.<feature>.required`* | If true the feature is required to be used by client.
 
 <!-- markdownlint-enable MD013 -->
 
-For each API version there is set of properties, e.g. for v1 in the example
-above features are:
-
 See [TabPy Configuration](#tabpy-configuration) section for more information
 on modifying the settings.