diff --git a/src/librustc/session/config.rs b/src/librustc/session/config.rs
index 76200777584..5306f2c9689 100644
--- a/src/librustc/session/config.rs
+++ b/src/librustc/session/config.rs
@@ -2202,8 +2202,7 @@ pub fn build_session_options_and_crate_config(
     if !cg.remark.is_empty() && debuginfo == DebugInfo::None {
         early_warn(
             error_format,
-            "-C remark will not show source locations without \
-             --debuginfo",
+            "-C remark requires \"-C debuginfo=n\" to show source locations",
         );
     }