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-rw-r--r--compiler/rustc_mir_transform/src/coverage/debug.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_mir_transform/src/coverage/debug.rs b/compiler/rustc_mir_transform/src/coverage/debug.rs
index c61ee6f7e6c..c64165163ad 100644
--- a/compiler/rustc_mir_transform/src/coverage/debug.rs
+++ b/compiler/rustc_mir_transform/src/coverage/debug.rs
@@ -3,7 +3,7 @@
 //!
 //! To enable coverage, include the rustc command line option:
 //!
-//!   * `-Z instrument-coverage`
+//!   * `-C instrument-coverage`
 //!
 //! MIR Dump Files, with additional `CoverageGraph` graphviz and `CoverageSpan` spanview
 //! ------------------------------------------------------------------------------------