diff --git a/crates/aiken-lang/src/tipo/error.rs b/crates/aiken-lang/src/tipo/error.rs
index 6d6d418f..e9adbe94 100644
--- a/crates/aiken-lang/src/tipo/error.rs
+++ b/crates/aiken-lang/src/tipo/error.rs
@@ -264,8 +264,9 @@ You can use '{discard}' and numbers to distinguish between similar names.
     },
 
     #[error(
-        "I saw a {} fields in a context where there should be {}.\n",
+        "I saw {} field{} in a context where there should be {}.\n",
         given.if_supports_color(Stdout, |s| s.purple()),
+        if *given <= 1 { "" } else { "s"},
         expected.if_supports_color(Stdout, |s| s.purple()),
     )]
     #[diagnostic(url("https://aiken-lang.org/language-tour/custom-types"))]