diff --git a/src/librustc_error_codes/error_codes/E0466.md b/src/librustc_error_codes/error_codes/E0466.md
index 443b7bae1345e..7aefedbc0875d 100644
--- a/src/librustc_error_codes/error_codes/E0466.md
+++ b/src/librustc_error_codes/error_codes/E0466.md
@@ -1,4 +1,4 @@
-Macro import declarations were malformed.
+Macro import declaration was malformed.
 
 Erroneous code examples: