diff --git a/extendr-api/src/robj/try_from_robj.rs b/extendr-api/src/robj/try_from_robj.rs
index 01be22190a..f9256a9fea 100644
--- a/extendr-api/src/robj/try_from_robj.rs
+++ b/extendr-api/src/robj/try_from_robj.rs
@@ -26,6 +26,7 @@ macro_rules! impl_try_from_scalar_integer {
                 // is problematic when converting a negative value to unsigned
                 // integer types (e.g. `-1i32 as u8` becomes 255).
                 if let Some(v) = robj.as_integer() {
+                    //TODO: this needs to be `Ok(Self::from(v))`
                     if let Ok(v) = Self::try_from(v) {
                         return Ok(v);
                     } else {
diff --git a/xtask/src/commands/rextendr_document.rs b/xtask/src/commands/rextendr_document.rs
index a7e44dcf6e..6598a65324 100644
--- a/xtask/src/commands/rextendr_document.rs
+++ b/xtask/src/commands/rextendr_document.rs
@@ -1,15 +1,15 @@
 //! This invokes `rextendr::document()` within `tests/extendrtests`.
-//! 
+//!
 //! It uses the vendored `rextendr` in the repository as the source package.
-//! 
+//!
 //! 1. Ensure that `git submodule update --init` was invoked once, as to setup
 //! the vendored `rextendr` package.
 //! 2. `devtools` must be installed on system.
-//! 
-//! 
+//!
+//!
 //! The idea here is to be able to develop `rextendr` alongside `extendr`,
 //! as well as ease the development of extendr.
-//! 
+//!
 use std::error::Error;
 
 use crate::extendrtests::with_absolute_path::{swap_extendr_api_path, R_FOLDER_PATH};