Fix typos

Author: jason-fox

docs/index.md

@@ -152,7 +152,7 @@ from the context broker to alter the state of real-world objects themselves.
 
 &nbsp; 201. [Introduction to IoT Sensors](iot-sensors.md)<br/> &nbsp; 202.
 [Provisioning an IoT Agent](iot-agent.md)<br/> &nbsp; 203. [IoT over MQTT](iot-over-mqtt.md)<br/> &nbsp; 204.
-[Using an alternative IoT Agent](iot-agent-json.md)<br/> &nbsp; 205.
+[Using an alternative IoT Agent](iot-agent.md)<br/> &nbsp; 205.
 [Creating a Custom IoT Agent](custom-iot-agent.md)<br/> &nbsp; 206. [IoT over IOTA Tangle](iot-over-iota-tangle.md)<br/>
 
 <!-- &nbsp; 250. [Introduction to Fast-RTPS and Micro-RTPS](fast-rtps-micro-rtps.md)<br/> -->

docs/pep-proxy.md

@@ -1402,7 +1402,7 @@ Once a trusted service group has been created, a device can be provisioned in th
 
 ```bash
 curl -iX POST \
-  'http://localhost:4041/iot/jsonevices' \
+  'http://localhost:4041/iot/devices' \
   -H 'Content-Type: application/json' \
   -H 'fiware-service: openiot' \
   -H 'fiware-servicepath: /' \

docs/short-term-history.md

@@ -3,7 +3,7 @@
 
 **Description:** This tutorial is an introduction to [FIWARE STH-Comet](https://fiware-sth-comet.readthedocs.io/) - a
 generic enabler which is used to retrieve trend data from a MongoDB database. The tutorial activates the IoT sensors
-connected in the [previous tutorial](iot-agent-json.md) and persists measurements from those sensors into a database and
+connected in the [previous tutorial](iot-agent.md) and persists measurements from those sensors into a database and
 retrieves time-based aggregations of that data.
 
 The tutorial uses [cUrl](https://ec.haxx.se/) commands throughout, but is also available as
@@ -79,7 +79,7 @@ web page found at: `http://localhost:3000/device/history/urn:ngsi-ld:Store:001`
 
 ## Architecture
 
-This application builds on the components and dummy IoT devices created in [previous tutorials](iot-agent-json.md). It
+This application builds on the components and dummy IoT devices created in [previous tutorials](iot-agent.md). It
 will use three or four FIWARE components depending on the configuration of the system: the
 [Orion Context Broker](https://fiware-orion.readthedocs.io/en/latest/), the
 [IoT Agent for JSON](https://fiware-iotagent-json.readthedocs.io/en/latest/),