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-rw-r--r--src/peripheral/cbp.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/peripheral/cbp.rs b/src/peripheral/cbp.rs
index 590cb7b..2535d0b 100644
--- a/src/peripheral/cbp.rs
+++ b/src/peripheral/cbp.rs
@@ -1,4 +1,6 @@
//! Cache and branch predictor maintenance operations
+//!
+//! *NOTE* Available only on ARMv7-M (`thumbv7*m-none-eabi*`)
use volatile_register::WO;