diff --git a/capara/profiler.py b/capara/profiler.py
index f8517c2..24672f5 100644
--- a/capara/profiler.py
+++ b/capara/profiler.py
@@ -12,6 +12,7 @@
 class ProfilerEntry(NamedTuple):
     file_name: str
     func_name: str
+    # Duration in nanoseconds.
     duration: Optional[int]
     call_index: int
 
diff --git a/src/lib.rs b/src/lib.rs
index 2e4bf46..30d8114 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -149,7 +149,6 @@ fn get_context(py: Python, obj: *mut pyo3::ffi::PyObject) -> Option<Py<ProfilerC
             _ => return None,
         };
     }
-
     let context = unsafe { Py::from_owned_ptr_or_opt(py, context_obj)? };
     if context.is_none(py) {
         None
@@ -242,7 +241,6 @@ fn start(context_var: &PyAny) -> PyResult<()> {
 }
 
 #[pymodule]
-/// A Python module implemented in Rust.
 fn capara(_py: Python, m: &PyModule) -> PyResult<()> {
     m.add_function(wrap_pyfunction!(start, m)?)?;
     m.add_class::<ProfilerContext>()?;