diff --git a/boards/nucleo-f412zg/doc.txt b/boards/nucleo-f412zg/doc.txt
index 288aea6dbc..5db73a2b93 100644
--- a/boards/nucleo-f412zg/doc.txt
+++ b/boards/nucleo-f412zg/doc.txt
@@ -10,7 +10,7 @@ STM32F412ZG microcontroller with 256KiB of RAM and 1MiB of Flash.
 
 ## Pinout
 
-@image html pinouts/nucleo-f412zg-and-f413zh.svg "Pinout for the nucleo-f412zg (from STM board manual)" width=50%
+@image html pinouts/nucleo-f412zg-and-f413zh.svg "Pinout for the Nucleo-F412ZG (from STM user manual, UM1974, http://www.st.com/resource/en/user_manual/dm00244518.pdf, page 34)" width=50%
 
 ## Flashing the Board Using ST-LINK Removable Media
 
diff --git a/boards/nucleo-f413zh/doc.txt b/boards/nucleo-f413zh/doc.txt
index 6a4f1bf10d..1b28a2fad5 100644
--- a/boards/nucleo-f413zh/doc.txt
+++ b/boards/nucleo-f413zh/doc.txt
@@ -10,7 +10,7 @@ STM32F413ZH microcontroller with 256KiB of RAM and 1MiB of Flash.
 
 ## Pinout
 
-@image html pinouts/nucleo-f412zg-and-f413zh.svg "Pinout for the nucleo-f413zh (from STM board manual)" width=50%
+@image html pinouts/nucleo-f412zg-and-f413zh.svg "Pinout for the nucleo-f413zh (from STM user manual, UM1974, http://www.st.com/resource/en/user_manual/dm00244518.pdf, page 34)" width=50%
 
 ## Flashing the Board Using ST-LINK Removable Media
 
diff --git a/boards/nucleo-f429zi/doc.txt b/boards/nucleo-f429zi/doc.txt
index 226717902c..b880b3b92b 100644
--- a/boards/nucleo-f429zi/doc.txt
+++ b/boards/nucleo-f429zi/doc.txt
@@ -14,7 +14,7 @@ STM32F429ZI microcontroller with 256KiB of RAM and 2MiB of Flash.
 
 ## Pinout
 
-@image html pinouts/nucleo-f207zg-and-more.svg "Pinout for the nucleo-f429zi (from STM board manual)" width=50%
+@image html pinouts/nucleo-f207zg-and-more.svg "Pinout for the Nucleo-F429ZI (from STM user manual, UM1974, http://www.st.com/resource/en/user_manual/dm00244518.pdf, page 32)" width=50%
 
 ### MCU
 
diff --git a/boards/nucleo-f439zi/doc.txt b/boards/nucleo-f439zi/doc.txt
index a631d82a30..1a2e997906 100644
--- a/boards/nucleo-f439zi/doc.txt
+++ b/boards/nucleo-f439zi/doc.txt
@@ -10,7 +10,7 @@ STM32F439ZI microcontroller with, 256KiB of RAM and 2MiB of Flash.
 
 ## Pinout
 
-@image html pinouts/nucleo-f207zg-and-more.svg "Pinout for the nucleo-f439zi (from STM board manual)" width=50%
+@image html pinouts/nucleo-f207zg-and-more.svg "Pinout for the Nucleo-F439ZI (from STM user manual, UM1974, http://www.st.com/resource/en/user_manual/dm00244518.pdf, page 32)" width=50%
 
 ### MCU
 
diff --git a/boards/nucleo-f446ze/doc.txt b/boards/nucleo-f446ze/doc.txt
index 34f44c1095..ffad58ca0f 100644
--- a/boards/nucleo-f446ze/doc.txt
+++ b/boards/nucleo-f446ze/doc.txt
@@ -14,7 +14,7 @@ STM32F446ZE microcontroller with 128KiB of RAM and 512KiB of ROM Flash.
 
 ## Pinout
 
-@image html pinouts/nucleo-f446ze-and-f722ze.svg "Pinout for the nucleo-f446ze (from STM board manual)" width=50%
+@image html pinouts/nucleo-f446ze-and-f722ze.svg "Pinout for the Nucleo-F446ZE (from STM user manual, UM1974, http://www.st.com/resource/en/user_manual/dm00244518.pdf, page 35)" width=50%
 
 ### MCU