Fix doc

docs/en/src/xplr.util.md

@@ -286,7 +286,7 @@ Example:
 
 ```lua
 xplr.util.shell_execute("pwd")
--- "/present/working/directory"
+-- { stdout = "/present/working/directory", stderr = "", returncode = 0 }
 
 xplr.util.shell_execute("bash", {"-c", "xplr --help"})
 -- { stdout = "xplr...", stderr = "", returncode = 0 }

src/lua/util.rs

@@ -460,7 +460,7 @@ pub fn explore<'a>(util: Table<'a>, lua: &Lua) -> Result<Table<'a>> {
 ///
 /// ```lua
 /// xplr.util.shell_execute("pwd")
-/// -- "/present/working/directory"
+/// -- { stdout = "/present/working/directory", stderr = "", returncode = 0 }
 ///
 /// xplr.util.shell_execute("bash", {"-c", "xplr --help"})
 /// -- { stdout = "xplr...", stderr = "", returncode = 0 }