Apply suggestions from code review

Co-authored-by: Anthony Mpho Matlala <74402600+EmpieichO@users.noreply.github.com>

Author: hsutaiyu

docs/pos/how-to/full-node/full-node-docker.md

@@ -60,7 +60,7 @@ We use `df -h` to make sure the mount looks good.
 
 ![img](../../../img/pos/space.png)
 
-Onc we've verified that successfully, we might as well create the home directories on this mount for Bor and Heimdall.
+Once we've verified that successfully, we might as well create the home directories on this mount for Bor and Heimdall.
 
 ```bash
 sudo mkdir /mnt/data/bor

docs/pos/how-to/full-node/full-node-gcp.md

@@ -2,7 +2,7 @@
 comments: true
 ---
 
-This document describes how to deploy Polygon PoS nodes into a virtual machine (VM) instance on the Google Cloud Platform (GCP).
+This document describes how to deploy Polygon PoS nodes in a virtual machine (VM) instance on the Google Cloud Platform (GCP).
 
 It is recommended to use any modern Debian or Linux Ubuntu OS with long-term support, i.e. Debian 11, Ubuntu 20.04. We'll focus on Ubuntu 20.04 in this guide.
 
@@ -17,7 +17,7 @@ You may use any of the following ways to create an instance in Google Cloud:
 1. Google Cloud CLI, local or [Cloud Shell](https://cloud.google.com/shell)
 2. Web Console
 
-We'll only cover the first case in this guide. Let's start with deployment using Google Cloud CLI.
+We only cover the first case in this guide. Let's start with deployment using Google Cloud CLI.
 
 1. Follow ["Before you begin" section](https://cloud.google.com/compute/docs/instances/create-start-instance#before-you-begin) to install and configure gcloud command-line tool.
 Pay attention to default region and zone, choose ones closer to you or your customers. You may use [gcping.com](https://gcping.com) to measure latency to choose the closest location.

docs/pos/how-to/operate-validator-node/change-signer-address.md

@@ -3,7 +3,7 @@ This guide will walk you through the process of changing the owner and signer ad
 
 ## Change the owner address
 
-1. Access StakingNFT Smart Contract.
+1. Access StakingNFT smart contract.
 
       - Mainnet: https://etherscan.io/address/0x47Cbe25BbDB40a774cC37E1dA92d10C2C7Ec897F#writeContract
       - Amoy: https://sepolia.etherscan.io/address/0x72CF5618142Eb369E75ec6529A907e9A6Fe99bB7#writeContract