diff --git a/bsp/stm32/stm32f103-blue-pill/README.pdf b/bsp/stm32/stm32f103-blue-pill/README.pdf index a61321e61e..f1cf256f12 100644 Binary files a/bsp/stm32/stm32f103-blue-pill/README.pdf and b/bsp/stm32/stm32f103-blue-pill/README.pdf differ