minor changes: uuidv4, python udf config file

Author: jovezhong

docs/functions_for_text.md

@@ -153,7 +153,7 @@ Please note all keys and values in the returned map are in string type. You can
 
 ### uuid
 
-`uuid()` or `uuid(x)` Generates a universally unique identifier (UUID) which is a 16-byte number used to identify records. In order to generate multiple UUID in one row, pass a parameter in each function call, such as `SELECT uuid(1) as a, uuid(2) as b` Otherwise if there is no parameter while calling multiple `uuid` functions in one SQL statement, the same UUID value will be returned.
+`uuid()` or `uuid(x)` Generates a universally unique identifier (UUIDv4) which is a 16-byte number used to identify records. In order to generate multiple UUID in one row, pass a parameter in each function call, such as `SELECT uuid(1) as a, uuid(2) as b` Otherwise if there is no parameter while calling multiple `uuid` functions in one SQL statement, the same UUID value will be returned.
 
 ### base64_encode
 

docs/py-udf.md

@@ -239,7 +239,7 @@ To install new Python libraries, you can either call the REST API of timeplusd i
 #### Install via `timeplusd python pip` {#install_pip}
 Starting from Timeplus Enterprise v2.8, you can use the `timeplusd python pip install` command-line tool to install Python libraries. For example, to install the `numpy` library, you can use the following command:
 ```bash
-timeplusd python --config-file config.yaml -m pip install --user numpy
+timeplusd python --config-file ../conf/timeplusd.yaml -m pip install --user numpy
 ```
 
 For example, with the timeplusd docker image, you can use the following command: