2 files changed, 4 insertions, 2 deletions

diff --git a/crates/completion/src/completions/keyword.rs b/crates/completion/src/completions/keyword.rs
index c1af348dc..47e146128 100644
--- a/crates/completion/src/completions/keyword.rs
+++ b/crates/completion/src/completions/keyword.rs
@@ -99,7 +99,7 @@ pub(crate) fn complete_expr_keyword(acc: &mut Completions, ctx: &CompletionConte
         add_keyword(ctx, acc, "else if", "else if $0 {}");
     }
     if (ctx.has_item_list_or_source_file_parent) || ctx.block_expr_parent {
-        add_keyword(ctx, acc, "mod", "mod $0 {}");
+        add_keyword(ctx, acc, "mod", "mod $0");
     }
     if ctx.bind_pat_parent || ctx.ref_pat_parent {
         add_keyword(ctx, acc, "mut", "mut ");
diff --git a/crates/completion/src/item.rs b/crates/completion/src/item.rs
index 378bd2c70..4147853e7 100644
--- a/crates/completion/src/item.rs
+++ b/crates/completion/src/item.rs
@@ -401,7 +401,9 @@ impl Builder {
     pub(crate) fn set_detail(mut self, detail: Option<impl Into<String>>) -> Builder {
         self.detail = detail.map(Into::into);
         if let Some(detail) = &self.detail {
-            assert_never!(detail.contains('\n'), "multiline detail: {}", detail);
+            if assert_never!(detail.contains('\n'), "multiline detail: {}", detail) {
+                self.detail = Some(detail.splitn(2, '\n').next().unwrap().to_string());
+            }
         }
         self
     }