Fix example code and typos in docs

docs/configuration.md

@@ -139,7 +139,7 @@ contracts](https://docs.onflow.org/core-contracts) that have already been deploy
 
 ⚠️ If we use an alias for the contract we should not specify it in the `deployment` section for that network. 
 
-Our example bellow should not include `FungibleToken` in  `deployment` section for testnet and emulator network.
+Our example below should not include `FungibleToken` in  `deployment` section for testnet and emulator network.
 
 ```json
 ...

docs/deploy-project-contracts.md

@@ -110,12 +110,12 @@ source file location.
 The rewritten versions are then deployed to their respective targets,
 leaving the original contract files unchanged.
 
-In the example above, the `Bar` contract would be rewritten like this:
+In the example above, the `KittyItems` contract would be rewritten like this:
 
-```cadence:title=Bar.cdc
-import Foo from 0xf8d6e0586b0a20c7
+```cadence:title=KittyItems.cdc
+import NonFungibleToken from 0xf8d6e0586b0a20c7
 
-pub contract Bar { 
+pub contract KittyItems { 
   // ...
 }
 ```

docs/initialize-configuration.md

@@ -27,8 +27,8 @@ Reset configuration using: 'flow init --reset'
 
 ### Error Handling
 
-Existing configuration will cause the error bellow. 
-You should initialize in an empty folder or reset configuration using `--reset` flag 
+Existing configuration will cause the error below.
+You should initialize in an empty folder or reset configuration using `--reset` flag
 or by removing the configuration file first.
 ```shell
 ❌ Command Error: configuration already exists at: flow.json, if you want to reset configuration use the reset flag