diff --git a/src/thir.md b/src/thir.md
index 2a811be3..2197cad7 100644
--- a/src/thir.md
+++ b/src/thir.md
@@ -82,7 +82,7 @@ Thir {
                 neg: false,
             },
         },
-        // expression 1, scope surronding literal 1
+        // expression 1, scope surrounding literal 1
         Expr {
             ty: i32,
             temp_lifetime: Some(