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-rw-r--r--util/stm32mon.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/util/stm32mon.c b/util/stm32mon.c
index 665c4b28b2..fc0a727644 100644
--- a/util/stm32mon.c
+++ b/util/stm32mon.c
@@ -3,13 +3,16 @@
* found in the LICENSE file.
*
* STM32 SoC system monitor interface tool
- * For Serial, implement proctol v2.0 as defined in:
+ * For Serial, implement protocol v2.0 as defined in:
* http://www.st.com/st-web-ui/static/active/en/resource/technical/\
* document/application_note/CD00264342.pdf
*
* For i2C, implement protocol v1.0 as defined in:
* http://www.st.com/st-web-ui/static/active/en/resource/technical/\
* document/application_note/DM00072315.pdf
+ *
+ * For SPI, implement protocol v1.1 as defined in:
+ * https://www.st.com/resource/en/application_note/dm00081379.pdf
*/
/* use cfmakeraw() */