diff --git a/PkgStore.Vault.psm1 b/PkgStore.Vault.psm1
index 4138d41..6c19ec9 100644
--- a/PkgStore.Vault.psm1
+++ b/PkgStore.Vault.psm1
@@ -1,9 +1,9 @@
-$ModuleManifest = (Get-ChildItem -Path $PSScriptRoot | Where-Object {$_.Extension -eq '.psd1'})
+$ModuleManifest = (Get-ChildItem -Path $PSScriptRoot | Where-Object { $_.Extension -eq '.psd1' })
 $CurrentManifest = (Test-ModuleManifest $ModuleManifest)
 
 $Aliases = @()
-$PrivateFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Private') | Where-Object {$_.Extension -eq '.ps1'})
-$PublicFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Public') | Where-Object {$_.Extension -eq '.ps1'})
+$PrivateFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Private') | Where-Object { $_.Extension -eq '.ps1' })
+$PublicFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Public') | Where-Object { $_.Extension -eq '.ps1' })
 
 (@($PrivateFunctions) + @($PublicFunctions)) | ForEach-Object {
   try {
@@ -25,10 +25,10 @@ $PublicFunctions = (Get-ChildItem -Path (Join-Path $PSScriptRoot 'Public') | Whe
   }
 }
 
-$FunctionsAdded = ($PublicFunctions | Where-Object {$_.BaseName -notin $CurrentManifest.ExportedFunctions.Keys})
-$FunctionsRemoved = ($CurrentManifest.ExportedFunctions.Keys | Where-Object {$_ -notin $PublicFunctions.BaseName})
-$AliasesAdded = ($Aliases | Where-Object {$_ -notin $CurrentManifest.ExportedAliases.Keys})
-$AliasesRemoved = ($CurrentManifest.ExportedAliases.Keys | Where-Object {$_ -notin $Aliases})
+$FunctionsAdded = ($PublicFunctions | Where-Object { $_.BaseName -notin $CurrentManifest.ExportedFunctions.Keys })
+$FunctionsRemoved = ($CurrentManifest.ExportedFunctions.Keys | Where-Object { $_ -notin $PublicFunctions.BaseName })
+$AliasesAdded = ($Aliases | Where-Object { $_ -notin $CurrentManifest.ExportedAliases.Keys })
+$AliasesRemoved = ($CurrentManifest.ExportedAliases.Keys | Where-Object { $_ -notin $Aliases })
 
 if ($FunctionsAdded -or $FunctionsRemoved -or $AliasesAdded -or $AliasesRemoved) {
   try {
diff --git a/Private/Compress-VaultData.ps1 b/Private/Compress-VaultData.ps1
index 79f4426..8d4cd02 100644
--- a/Private/Compress-VaultData.ps1
+++ b/Private/Compress-VaultData.ps1
@@ -1,4 +1,12 @@
 function Compress-VaultData() {
+  <#
+    .SYNOPSIS
+    Compressing data.
+
+    .DESCRIPTION
+    Compressing the Vault data with compression level 9.
+  #>
+
   param(
     [Alias('P')][string]$Path,
     [Alias('N')][string]$Name,
diff --git a/Private/Start-VaultMoveFiles.ps1 b/Private/Start-VaultMoveFiles.ps1
index 3e5ec35..f9e9365 100644
--- a/Private/Start-VaultMoveFiles.ps1
+++ b/Private/Start-VaultMoveFiles.ps1
@@ -1,4 +1,12 @@
 function Start-VaultMoveFiles() {
+  <#
+    .SYNOPSIS
+    Moving files.
+
+    .DESCRIPTION
+    Moving files from the Source to the Vault.
+  #>
+
   param(
     [string]$Mode,
     [string]$Source,
diff --git a/Private/Start-VaultRemoveDirs.ps1 b/Private/Start-VaultRemoveDirs.ps1
index d7affa1..24d81f8 100644
--- a/Private/Start-VaultRemoveDirs.ps1
+++ b/Private/Start-VaultRemoveDirs.ps1
@@ -1,4 +1,12 @@
 function Start-VaultRemoveDirs() {
+  <#
+    .SYNOPSIS
+    Removing directories.
+
+    .DESCRIPTION
+    Removing empty directories in the Source.
+  #>
+
   param(
     [string]$Source,
     [long]$CreationTime,
diff --git a/Public/Start-Vault.ps1 b/Public/Start-Vault.ps1
index 0758314..dd2265d 100644
--- a/Public/Start-Vault.ps1
+++ b/Public/Start-Vault.ps1
@@ -1,34 +1,74 @@
 function Start-Vault {
-  param(
-    [Parameter(HelpMessage="Script operation mode. Default: 'MV'.")]
-    [ValidateSet('CP', 'MV', 'RM')]
-    [Alias('M')][string]$Mode = 'MV',
+  <#
+    .SYNOPSIS
+    PowerShell Vault.
 
-    [Parameter(Mandatory, HelpMessage="Path to the source. E.g.: 'C:\Data\Source'.")]
-    [Alias('SRC')][string]$Source,
+    .DESCRIPTION
+    The module moves files to Vault based on various criteria.
 
-    [Parameter(Mandatory, HelpMessage="Path to the Vault. E.g.: 'C:\Data\Vault'.")]
-    [Alias('DST')][string]$Vault,
+    .PARAMETER Mode
+    Script operation mode:
+      'CP' | Coping data from the Source.
+      'MV' | Moving data from the Source.
+      'RM' | Only removing data from the Source.
+    Default: 'MV'.
 
-    [Parameter(HelpMessage="Time since file creation (in seconds). E.g.: '5270400'. Default: 61 day (5270400 sec.).")]
-    [Alias('CT')][long]$CreationTime = 5270400,
+    .PARAMETER Source
+    Path to the source. E.g.: 'C:\Source'.
 
-    [Parameter(HelpMessage="Time since file modification (in seconds). E.g.: '5270400'. Default: 61 day ('5270400' sec.).")]
-    [Alias('WT')][long]$LastWriteTime = $CreationTime,
+    .PARAMETER Vault
+    Path to the Vault. E.g.: 'D:\Vault'.
 
-    [Parameter(HelpMessage="File size check. E.g.: '5kb' / '12mb'. Default: '0kb'.")]
-    [Alias('FS')][string]$FileSize = '0kb',
+    .PARAMETER CreationTime
+    Time since file creation (in seconds). E.g.: '5270400'.
+    If the time since file creation is greater than the specified value, they will be processed by the script.
+    Default: '5270400' (61 day).
 
-    [Parameter(HelpMessage="Path to the file with exceptions. E.g.: 'C:\Data\exclude.txt'.")]
-    [Alias('E')][string]$Exclude = "$(Join-Path (Split-Path $PSScriptRoot -Parent) 'Vault.Exclude.txt')",
+    .PARAMETER LastWriteTime
+    Time since file modification (in seconds). E.g.: '5270400'.
+    If the time since file modification is greater than the specified value, they will be processed by the script.
+    Default: '5270400' (61 day).
 
-    [Parameter(HelpMessage="Path to the directory with logs. E.g.: 'C:\Data\Logs'.")]
-    [Alias('L')][string]$Logs = "$(Join-Path (Split-Path $PSScriptRoot -Parent) 'Logs')",
+    .PARAMETER FileSize
+    File size check. E.g.: '5kb' / '12mb'.
+    If the file size is greater than the specified value, they will be processed by the script.
+    Default: '0kb'.
 
-    [Parameter(HelpMessage="Removing empty directories.")]
-    [Alias('RD')][switch]$RemoveDirs = $false,
+    .PARAMETER Exclude
+    Path to the file with exceptions. E.g.: 'C:\Exclude.TXT'.
+    The values specified in this file will be ignored by the script. Wildcards are supported.
+
+    .PARAMETER Logs
+    Path to the directory with logs. E.g.: 'C:\Logs'.
+
+    .PARAMETER RemoveDirs
+    Removing empty directories.
+    Default: 'false'.
+
+    .PARAMETER Overwrite
+    Overwrite existing files in Vault.
+    Default: 'false'.
 
-    [Parameter(HelpMessage="Overwrite existing files in Vault.")]
+    .EXAMPLE
+    Start-Vault -Source 'C:\Source' -Vault 'D:\Vault'
+
+    .EXAMPLE
+    Start-Vault -Source 'C:\Source' -Vault 'D:\Vault' -CreationTime '864000' -LastWriteTime '864000'
+
+    .EXAMPLE
+    Start-Vault -Source 'C:\Source' -Vault 'D:\Vault' -CreationTime '864000' -LastWriteTime '864000' -FileSize '32mb'
+  #>
+
+  param(
+    [ValidateSet('CP', 'MV', 'RM')][Alias('M')][string]$Mode = 'MV',
+    [Parameter(Mandatory)][Alias('SRC')][string]$Source,
+    [Parameter(Mandatory)][Alias('DST')][string]$Vault,
+    [Alias('CT')][long]$CreationTime = 5270400,
+    [Alias('WT')][long]$LastWriteTime = $CreationTime,
+    [Alias('FS')][string]$FileSize = '0kb',
+    [Alias('E')][string]$Exclude = "$(Join-Path (Split-Path $PSScriptRoot -Parent) 'Vault.Exclude.txt')",
+    [Alias('L')][string]$Logs = "$(Join-Path (Split-Path $PSScriptRoot -Parent) 'Logs')",
+    [Alias('RD')][switch]$RemoveDirs = $false,
     [Alias('O')][switch]$Overwrite = $false
   )