diff --git a/include/dt-bindings/mux/mux.h b/include/dt-bindings/mux/mux.h
index 042719218dbf..0b9d654506ef 100644
--- a/include/dt-bindings/mux/mux.h
+++ b/include/dt-bindings/mux/mux.h
@@ -3,7 +3,7 @@
  * This header provides constants for most Multiplexer bindings.
  *
  * Most Multiplexer bindings specify an idle state. In most cases, the
- * the multiplexer can be left as is when idle, and in some cases it can
+ * multiplexer can be left as is when idle, and in some cases it can
  * disconnect the input/output and leave the multiplexer in a high
  * impedance state.
  */