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-rw-r--r--src/tools/tidy/src/error_codes.rs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/tools/tidy/src/error_codes.rs b/src/tools/tidy/src/error_codes.rs
index 602a0cc8474..3e67bac499b 100644
--- a/src/tools/tidy/src/error_codes.rs
+++ b/src/tools/tidy/src/error_codes.rs
@@ -357,7 +357,8 @@ fn check_error_codes_used(
             errors.push(format!(
                 "Error code `{code}` exists, but is not emitted by the compiler!\n\
                 Please mark the code as no longer emitted by adding the following note to the top of the `EXXXX.md` file:\n\
-                `#### Note: this error code is no longer emitted by the compiler`"
+                `#### Note: this error code is no longer emitted by the compiler`\n\
+                Also, do not forget to mark doctests that no longer apply as `ignore (error is no longer emitted)`."
             ));
         }