diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 29c93a3f..f2d969f2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -191,7 +191,6 @@ jobs:
           cargo update -p plotters-svg --precise 0.3.1
           cargo update -p plotters-backend --precise 0.3.2
           cargo update -p bumpalo --precise 3.10.0
-          cargo update -p itertools --precise 0.10.3
           cargo update -p once_cell --precise 1.14.0
 
       - name: Build docs
diff --git a/src/conversions/chrono.rs b/src/conversions/chrono.rs
index e5a4e5ab..3bbc8445 100644
--- a/src/conversions/chrono.rs
+++ b/src/conversions/chrono.rs
@@ -25,7 +25,7 @@
 //! Note that you must use compatible versions of chrono and PyO3.
 //! The required chrono version may vary based on the version of PyO3.
 //!
-//! # Example: Convert a PyDateTime to chrono's DateTime<Utc>
+//! # Example: Convert a `PyDateTime` to chrono's `DateTime<Utc>`
 //!
 //! ```rust
 //! use chrono::{Utc, DateTime};
diff --git a/src/instance.rs b/src/instance.rs
index 9abc9383..f7c2dc54 100644
--- a/src/instance.rs
+++ b/src/instance.rs
@@ -955,9 +955,9 @@ where
     }
 }
 
-/// Py<T> can be used as an error when T is an Error.
+/// `Py<T>` can be used as an error when T is an Error.
 ///
-/// However for GIL lifetime reasons, cause() cannot be implemented for Py<T>.
+/// However for GIL lifetime reasons, cause() cannot be implemented for `Py<T>`.
 /// Use .as_ref() to get the GIL-scoped error if you need to inspect the cause.
 impl<T> std::error::Error for Py<T>
 where