diff --git a/boards/nucleo-f207zg/doc.txt b/boards/nucleo-f207zg/doc.md
similarity index 99%
rename from boards/nucleo-f207zg/doc.txt
rename to boards/nucleo-f207zg/doc.md
index 6c4ea74bb6..14f5e544b7 100644
--- a/boards/nucleo-f207zg/doc.txt
+++ b/boards/nucleo-f207zg/doc.md
@@ -1,4 +1,3 @@
-/**
 @defgroup    boards_nucleo-f207zg STM32 Nucleo-F207ZG
 @ingroup     boards_common_nucleo144
 @brief       Support for the STM32 Nucleo-F207ZG
@@ -89,4 +88,3 @@ could be found on [this STM webpage](https://www.st.com/en/development-tools/sts
 For using the ST Nucleo-F207ZG board we strongly recommend the usage of the
 [GNU Tools for ARM Embedded Processors](https://launchpad.net/gcc-arm-embedded)
 toolchain.
- */