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-rw-r--r--drivers/spi/spi-butterfly.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-butterfly.c b/drivers/spi/spi-butterfly.c
index 8c77d1114ad3..7e71a351f3b7 100644
--- a/drivers/spi/spi-butterfly.c
+++ b/drivers/spi/spi-butterfly.c
@@ -23,7 +23,7 @@
* with a battery powered AVR microcontroller and lots of goodies. You
* can use GCC to develop firmware for this.
*
- * See Documentation/spi/butterfly for information about how to build
+ * See Documentation/spi/butterfly.rst for information about how to build
* and use this custom parallel port cable.
*/