diff --git a/Scripts/install-google-chrome.ps1 b/Scripts/install-google-chrome.ps1
index 06ed73de..0b6f3b97 100755
--- a/Scripts/install-google-chrome.ps1
+++ b/Scripts/install-google-chrome.ps1
@@ -1,7 +1,20 @@
-### Silently installs latest google chrome ###
-$Path = $env:TEMP;
-$Installer = "chrome_installer.exe"
-Invoke-WebRequest "http://dl.google.com/chrome/install/latest/chrome_installer.exe" -OutFile $Path\$Installer
-Start-Process -FilePath $Path\$Installer -Args "/silent /install" -Verb RunAs -Wait
-Remove-Item $Path\$Installer
-exit 0
+#!/usr/bin/pwsh
+<#
+.SYNTAX       install-google-chrome.ps1
+.DESCRIPTION  silently installs latest Google Chrome
+.LINK         https://github.com/fleschutz/PowerShell
+.NOTES        Author: Markus Fleschutz / License: CC0
+#>
+
+try {
+	$Path = $env:TEMP;
+	$Installer = "chrome_installer.exe"
+	Invoke-WebRequest "http://dl.google.com/chrome/install/latest/chrome_installer.exe" -OutFile $Path\$Installer
+	Start-Process -FilePath $Path\$Installer -Args "/silent /install" -Verb RunAs -Wait
+	Remove-Item $Path\$Installer
+	write-host -foregroundColor green "✔️ installed Google Chrome"
+	exit 0
+} catch {
+	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}
diff --git a/Scripts/pull-repo.ps1 b/Scripts/pull-repo.ps1
index edc883fc..6b6d885a 100755
--- a/Scripts/pull-repo.ps1
+++ b/Scripts/pull-repo.ps1
@@ -1,4 +1,4 @@
-#!/usr/bin/pwsh
+#!/usr/bin/pwsh
 <#
 .SYNTAX       pull-repo.ps1 [<repo-dir>]
 .DESCRIPTION  pulls updates for the current/given Git repository (including submodules)
@@ -9,7 +9,7 @@
 param($RepoDir = "$PWD")
 
 try {
-	write-output "Pulling updates for Git repository $RepoDir ..."
+	"→ Pulling updates for Git repository $RepoDir ..."
 
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
 	set-location "$RepoDir"
@@ -20,7 +20,7 @@ try {
 	& git status
 	if ($lastExitCode -ne "0") { throw "'git status' failed" }
 
-	write-host -foregroundColor green "OK - pulled updates for Git repository $RepoDir"
+	write-host -foregroundColor green "✔️ updates pulled for Git repository $RepoDir"
 	exit 0
 } catch {
 	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
diff --git a/Scripts/pull-repos.ps1 b/Scripts/pull-repos.ps1
index 1b3ce9b9..f95abe74 100755
--- a/Scripts/pull-repos.ps1
+++ b/Scripts/pull-repos.ps1
@@ -30,7 +30,7 @@ try {
 		$Count++
 	}
 
-	write-host -foregroundColor green "OK - pulled updates for $Count Git repositories under $ParentDir in $($StopWatch.Elapsed.Seconds) second(s)"
+	write-host -foregroundColor green "✔️ pulled updates for $Count Git repositories under $ParentDir in $($StopWatch.Elapsed.Seconds) second(s)"
 	exit 0
 } catch {
 	write-error "ERROR: line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
diff --git a/Scripts/switch-branch.ps1 b/Scripts/switch-branch.ps1
index 2a513271..4bc8138c 100755
--- a/Scripts/switch-branch.ps1
+++ b/Scripts/switch-branch.ps1
@@ -1,4 +1,4 @@
-#!/usr/bin/pwsh
+#!/usr/bin/pwsh
 <#
 .SYNTAX       switch-branch.ps1 [<branch-name>] [<repo-dir>]
 .DESCRIPTION  switches the branch in the current/given Git repository (including submodules)
@@ -7,10 +7,7 @@
 #>
 
 param($BranchName = "", $RepoDir = "$PWD")
-
-if ($BranchName -eq "") {
-	$BranchName = read-host "Enter name of branch to switch to"
-}
+if ($BranchName -eq "") { $BranchName = read-host "Enter name of branch to switch to" }
 
 try {
 	if (-not(test-path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }