diff --git a/lib/line-index/src/lib.rs b/lib/line-index/src/lib.rs
index 58db93a589..03371c9c87 100644
--- a/lib/line-index/src/lib.rs
+++ b/lib/line-index/src/lib.rs
@@ -199,7 +199,7 @@ impl LineIndex {
     }
 }
 
-/// This is adapted from the rustc_span crate, https://github.com/rust-lang/rust/blob/master/compiler/rustc_span/src/analyze_source_file.rs
+/// This is adapted from the rustc_span crate, https://github.com/rust-lang/rust/blob/de59844c98f7925242a798a72c59dc3610dd0e2c/compiler/rustc_span/src/analyze_source_file.rs
 fn analyze_source_file(src: &str) -> (Vec<TextSize>, IntMap<u32, Box<[WideChar]>>) {
     assert!(src.len() < !0u32 as usize);
     let mut lines = vec![];
diff --git a/xtask/src/publish.rs b/xtask/src/publish.rs
index 42b384ead0..7faae9b20c 100644
--- a/xtask/src/publish.rs
+++ b/xtask/src/publish.rs
@@ -79,6 +79,7 @@ fn update_release(sh: &Shell, tag_name: &str, release_notes: &str) -> anyhow::Re
     let release_id = cmd!(sh, "jq .id").stdin(release_json).read()?;
 
     let mut patch = String::new();
+    // note: the GitHub API doesn't update the target commit if the tag already exists
     write_json::object(&mut patch)
         .string("tag_name", tag_name)
         .string("target_commitish", "master")