Feat : Incorporated Charlie's review comments.

Added images for Build tools and Windows defender popup.e

src/pages/mining.md

@@ -164,7 +164,7 @@ Request BTC from faucet:
 
 We need to get some testnet BTC to that address. Grab the `btcAddress` field, and call the BTC faucet:
 
--> Note: The below command needs curl. If you are on Windows 10, version 1803 or later, your OS ships with a copy of curl, already set up and ready to use.
+-> **Note**: The below command needs curl. If you are on Windows 10, version 1803 or later, your OS ships with a copy of curl, already set up and ready to use.
 If not, [download and install curl](https://curl.se/windows/).
 
 ```bash
@@ -217,13 +217,14 @@ Now, grab your `privateKey` from earlier, when you ran the `stx make_keychain` c
 
 ### Run the miner
 
-To run your miner, run this in the command line:
+To start your miner, run this in the command line:
 
 ```bash
 stacks-node start --config=testnet-miner-conf.toml
 ```
 
--> Note : While starting the node for the first time, windows defender might pop up with a message to allow access. If so, allow access to keep on running the node.
+-> **Note** : While starting the node for the first time, windows defender might pop up with a message to allow access. If so, allow access to run the node.
+![Windows Defender](/images/windows-defender.png)
 
 Your node should start. It will take some time to sync, and then your miner will be running!
 

src/pages/stacks-blockchain/running-testnet-node.md

@@ -99,7 +99,7 @@ Before you begin, check that you have the below necessary softwares installed on
 
 - [Microsoft C++ Build Tools](https://visualstudio.microsoft.com/visual-cpp-build-tools/).
 
--> Tip: While installing the Microsoft Visual Studio Build tools using the above link, select the C++ Build tools option when prompted.
+-> **Tip**: While installing the Microsoft Visual Studio Build tools using the above link, select the C++ Build tools option when prompted.
 ![C++ Build Tools](/images/C++BuildTools.png)
 
 - [NodeJs](https://nodejs.org/en/download/).
@@ -112,7 +112,7 @@ Before you begin, check that you have the below necessary softwares installed on
 
 ### Download the Binary and run the follower node
 
--> Note: Please make sure to download the new Binary and follow the below steps as and when a [new release build](https://github.com/blockstack/stacks-blockchain/releases/latest) is available.
+-> **Note**: Please make sure to download the new Binary and follow the below steps as and when a [new release build](https://github.com/blockstack/stacks-blockchain/releases/latest) is available.
 
 First, Visit the [Stacks Github releases repo](https://github.com/blockstack/stacks-blockchain/releases/latest). From the various binary list, click to download the Windows binary.Refer the image below.
 ![BinaryList](/images/mining-windows.png)
@@ -127,7 +127,8 @@ stacks-node krypton
 # This command will start the testnet follower node.
 ```
 
--> Note : While starting the node for the first time, windows defender will pop up with a message to allow access. If so, allow access to keep on running the node.
+-> **Note** : While starting the node for the first time, windows defender will pop up with a message to allow access. If so, allow access to run the node.
+![Windows Defender](/images/windows-defender.png)
 
 To execute Stacks node with extra debugging enabled, run: