diff --git a/moz-webgpu-cts/src/shared.rs b/moz-webgpu-cts/src/shared.rs
index 96820e4..dcec295 100644
--- a/moz-webgpu-cts/src/shared.rs
+++ b/moz-webgpu-cts/src/shared.rs
@@ -593,6 +593,7 @@ impl<'a> TestPath<'a> {
     }
 }
 
+/// An error encountered during [`TestPath::from_execution_report`].
 #[derive(Debug)]
 pub struct ExecutionReportPathError<'a> {
     test_url_path: &'a str,
@@ -612,6 +613,7 @@ impl Display for ExecutionReportPathError<'_> {
     }
 }
 
+/// An error encountered during [`TestPath::from_metadata_test`].
 #[derive(Debug)]
 pub struct MetadataTestPathError<'a> {
     rel_meta_file_path: &'a Path,