docs(cmd): update

docs/command/tdl.md

@@ -12,8 +12,8 @@ tdl -h
 
 ```
   -h, --help           help for tdl
-  -n, --ns string      namespace
-      --proxy string   
+  -n, --ns string      namespace for Telegram session
+      --proxy string   proxy address, only socks5 is supported
 ```
 
 ### SEE ALSO

docs/command/tdl_dl.md

@@ -16,18 +16,18 @@ tdl dl
 
 ```
   -h, --help            help for dl
-  -l, --limit int        (default 2)
-  -m, --mode string      (default "url")
-  -s, --part-size int    (default 524288)
-  -t, --threads int      (default 10)
-  -u, --url strings     
+  -l, --limit int       max number of concurrent tasks (default 2)
+  -m, --mode string     mode for download
+  -s, --part-size int   part size for download, max is 512*1024 (default 524288)
+  -t, --threads int     threads for downloading one item (default 8)
+  -u, --url strings     array of message links to be downloaded
 ```
 
 ### Options inherited from parent commands
 
 ```
-  -n, --ns string      namespace
-      --proxy string   
+  -n, --ns string      namespace for Telegram session
+      --proxy string   proxy address, only socks5 is supported
 ```
 
 ### SEE ALSO

docs/command/tdl_login.md

@@ -21,8 +21,8 @@ tdl login
 ### Options inherited from parent commands
 
 ```
-  -n, --ns string      namespace
-      --proxy string   
+  -n, --ns string      namespace for Telegram session
+      --proxy string   proxy address, only socks5 is supported
 ```
 
 ### SEE ALSO

docs/command/tdl_version.md

@@ -21,8 +21,8 @@ tdl version
 ### Options inherited from parent commands
 
 ```
-  -n, --ns string      namespace
-      --proxy string   
+  -n, --ns string      namespace for Telegram session
+      --proxy string   proxy address, only socks5 is supported
 ```
 
 ### SEE ALSO