Update run.md

The commands are not showing properly  in bold text form.

docs/run.md

@@ -23,19 +23,25 @@ More about Web3 Provider
 -------------
 If you are using Geth & https://remix.ethereum.org, please use the following Geth command to allow requests from Remix:
 
-**geth --http --http.corsdomain https://remix.ethereum.org**
+```shell
+geth --http --http.corsdomain https://remix.ethereum.org
+```
 
 Also see [Geth Docs about the http server](https://geth.ethereum.org/docs/rpc/server)
 
 To run Remix using  https://remix.ethereum.org & a local test node, use this Geth command:
 
-**geth --http --http.corsdomain="https://remix.ethereum.org" --http.api web3,eth,debug,personal,net --vmdebug --datadir <path/to/local/folder/for/test/chain> --dev console**
+```shell
+geth --http --http.corsdomain="https://remix.ethereum.org" --http.api web3,eth,debug,personal,net --vmdebug --datadir <path/to/local/folder/for/test/chain> --dev console
+```
 
 If you are using remix-alpha or a local version of remix - replace the url of the --http.corsdomain with the url of Remix that you are using. 
 
 To run Remix Desktop & a local test node, use this Geth command:
 
-**geth --http --http.corsdomain="package://a7df6d3c223593f3550b35e90d7b0b1f.mod" --http.api web3,eth,debug,personal,net --vmdebug --datadir <path/to/local/folder/for/test/chain> --dev console**
+```shell
+geth --http --http.corsdomain="package://a7df6d3c223593f3550b35e90d7b0b1f.mod" --http.api web3,eth,debug,personal,net --vmdebug --datadir <path/to/local/folder/for/test/chain> --dev console
+```
 
 Also see [Geth Docs on Dev mode](https://geth.ethereum.org/getting-started/dev-mode)