docs(help): tweak example

Author: Thaumy

src/args/cmd/user.rs

@@ -4,7 +4,7 @@ use clap::Parser;
 pub struct Opt {
     #[arg(verbatim_doc_comment)]
     /// Login with your personal access token (PAT)
-    /// Example: cnb user --login FOOBARBAZ
+    /// Example: cnb user --login 'FOOBARBAZ'
     /// PAT will be saved in ~/.cnbrc
     /// You can create PAT in https://account.cnblogs.com/tokens
     #[arg(long)]

src/args/mod.rs

@@ -25,7 +25,7 @@ pub struct Args {
 
     #[arg(verbatim_doc_comment)]
     /// Execute with specific PAT
-    /// Example: cnb --with-pat FOOBARBAZ post --list
+    /// Example: cnb --with-pat 'FOOBARBAZ' post --list
     /// Your PAT in ~/.cnbrc will be ignored in this execution if it exists
     /// Please login if you don't want to input PAT everytime, try 'cnb user --help' for more details
     #[arg(long)]