update the command description

scripts/ebktools.ps1

@@ -27,7 +27,7 @@ $script:EBKTOOL_TOKEN = $env:EBKTOOL_TOKEN
 $API_CONFIGS = @(
     @{
         Name = "tokens-list"
-        Description = "Get available sessions information"
+        Description = "Retrieve all sessions for the current user"
         Method = "GET"
         Path = "tokens/list.json"
         RequiresTimezone = $false
@@ -53,7 +53,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "tokens-revoke"
-        Description = "Revoke token"
+        Description = "Revoke a specified token"
         Method = "POST"
         Path = "tokens/revoke.json"
         RequiresTimezone = $false
@@ -71,7 +71,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "accounts-list"
-        Description = "Get all accounts list"
+        Description = "Retrieve all account information"
         Method = "GET"
         Path = "accounts/list.json"
         RequiresTimezone = $false
@@ -109,7 +109,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "accounts-add"
-        Description = "Add account"
+        Description = "Add a new account"
         Method = "POST"
         Path = "accounts/add.json"
         RequiresTimezone = $true
@@ -162,7 +162,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "transaction-categories-list"
-        Description = "Get all transaction categories"
+        Description = "Retrieve all available transaction categories"
         Method = "GET"
         Path = "transaction/categories/list.json"
         RequiresTimezone = $false
@@ -196,7 +196,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "transaction-categories-add"
-        Description = "Add transaction category"
+        Description = "Add a new transaction category"
         Method = "POST"
         Path = "transaction/categories/add.json"
         RequiresTimezone = $false
@@ -235,7 +235,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "transaction-tags-list"
-        Description = "Get all transaction tags list"
+        Description = "Retrieve all available transaction tags"
         Method = "GET"
         Path = "transaction/tags/list.json"
         RequiresTimezone = $false
@@ -261,7 +261,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "transaction-tags-add"
-        Description = "Add transaction tag"
+        Description = "Add a new transaction tag"
         Method = "POST"
         Path = "transaction/tags/add.json"
         RequiresTimezone = $false
@@ -287,7 +287,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "transactions-list"
-        Description = "Get transactions list with pagination"
+        Description = "Retrieve transaction data based on specified query criteria (with pagination support)"
         Method = "GET"
         Path = "transactions/list.json"
         RequiresTimezone = $true
@@ -369,7 +369,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "transactions-list-all"
-        Description = "Get all transactions list"
+        Description = "Retrieve all transaction data matching the specified query criteria"
         Method = "GET"
         Path = "transactions/list/all.json"
         RequiresTimezone = $true
@@ -436,7 +436,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "transactions-add"
-        Description = "Add transaction"
+        Description = "Add a new transaction"
         Method = "POST"
         Path = "transactions/add.json"
         RequiresTimezone = $true
@@ -499,7 +499,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "exchangerates-latest"
-        Description = "Get latest exchange rates"
+        Description = "Retrieve the latest exchange rate data"
         Method = "GET"
         Path = "exchange_rates/latest.json"
         RequiresTimezone = $false
@@ -534,7 +534,7 @@ $API_CONFIGS = @(
     }
     @{
         Name = "server-version"
-        Description = "Get ezBookkeeping server version information"
+        Description = "Retrieve ezBookkeeping server version information"
         Method = "GET"
         Path = "systems/version.json"
         RequiresTimezone = $false
@@ -1169,7 +1169,7 @@ function Show-Help {
     Write-Host "    EBKTOOL_SERVER_BASEURL      ezBookkeeping server base URL (e.g., http://localhost:8080)"
     Write-Host "    EBKTOOL_TOKEN               ezBookkeeping API token"
     Write-Host ""
-    Write-Host "    You can also set the above environment variables in a .env file located in the current directory, parent directory or home directory."
+    Write-Host "    You can also set the above environment variables in a '.env' file located in the current directory, parent directory or home directory."
     Write-Host ""
     Write-Host "Global Options:"
     Write-Host "    -tzName <name>              The IANA timezone name of current timezone. For example, for Beijing Time it is 'Asia/Shanghai'."
@@ -1212,7 +1212,7 @@ function Show-CommandList {
     }
 
     Write-Host ""
-    Write-Host "Use 'ebktools.ps1 help <api-command>' to see detailed information about a API command."
+    Write-Host "Use 'ebktools.ps1 help <api-command>' to see detailed information about an API command."
 }
 
 function Show-CommandHelp {