Fix typo

Author: sdwheeler

reference/5.1/Microsoft.PowerShell.Core/About/about_Functions_Advanced_Parameters.md

@@ -58,7 +58,7 @@ function TestFunction {
 }
 ```
 
-If you try to use the parameters, PowerShell interprets them as stings passed
+If you try to use the parameters, PowerShell interprets them as strings passed
 as positional parameter.
 
 ```powershell

reference/7.4/Microsoft.PowerShell.Core/About/about_Functions_Advanced_Parameters.md

@@ -58,7 +58,7 @@ function TestFunction {
 }
 ```
 
-If you try to use the parameters, PowerShell interprets them as stings passed
+If you try to use the parameters, PowerShell interprets them as strings passed
 as positional parameter.
 
 ```powershell

reference/7.5/Microsoft.PowerShell.Core/About/about_Functions_Advanced_Parameters.md

@@ -58,7 +58,7 @@ function TestFunction {
 }
 ```
 
-If you try to use the parameters, PowerShell interprets them as stings passed
+If you try to use the parameters, PowerShell interprets them as strings passed
 as positional parameter.
 
 ```powershell

reference/7.6/Microsoft.PowerShell.Core/About/about_Functions_Advanced_Parameters.md

@@ -58,7 +58,7 @@ function TestFunction {
 }
 ```
 
-If you try to use the parameters, PowerShell interprets them as stings passed
+If you try to use the parameters, PowerShell interprets them as strings passed
 as positional parameter.
 
 ```powershell