9 files changed, 18 insertions, 0 deletions
diff --git a/docs/library/pyb.ADC.rst b/docs/library/pyb.ADC.rst
index 33e587f3f..cc0934427 100644
--- a/docs/library/pyb.ADC.rst
+++ b/docs/library/pyb.ADC.rst
@@ -1,3 +1,5 @@
+.. _pyb.ADC:
+
 class ADC -- analog to digital conversion: read analog values on a pin
 ======================================================================
 
diff --git a/docs/library/pyb.DAC.rst b/docs/library/pyb.DAC.rst
index 00be855d5..393daf38b 100644
--- a/docs/library/pyb.DAC.rst
+++ b/docs/library/pyb.DAC.rst
@@ -1,3 +1,5 @@
+.. _pyb.DAC:
+
 class DAC -- digital to analog conversion
 =========================================
 
diff --git a/docs/library/pyb.ExtInt.rst b/docs/library/pyb.ExtInt.rst
index ac31aebb4..61023ebb3 100644
--- a/docs/library/pyb.ExtInt.rst
+++ b/docs/library/pyb.ExtInt.rst
@@ -1,3 +1,5 @@
+.. _pyb.ExtInt:
+
 class ExtInt -- configure I/O pins to interrupt on external events
 ==================================================================
 
diff --git a/docs/library/pyb.I2C.rst b/docs/library/pyb.I2C.rst
index e85bcef86..1eb426168 100644
--- a/docs/library/pyb.I2C.rst
+++ b/docs/library/pyb.I2C.rst
@@ -1,3 +1,5 @@
+.. _pyb.I2C:
+
 class I2C -- a two-wire serial protocol
 =======================================
 
diff --git a/docs/library/pyb.LED.rst b/docs/library/pyb.LED.rst
index 227450f48..02fc13246 100644
--- a/docs/library/pyb.LED.rst
+++ b/docs/library/pyb.LED.rst
@@ -1,3 +1,5 @@
+.. _pyb.LED:
+
 class LED -- LED object
 =======================
 
diff --git a/docs/library/pyb.Pin.rst b/docs/library/pyb.Pin.rst
index 010996acf..6f04378b6 100644
--- a/docs/library/pyb.Pin.rst
+++ b/docs/library/pyb.Pin.rst
@@ -1,3 +1,5 @@
+.. _pyb.Pin:
+
 class Pin -- control I/O pins
 =============================
 
diff --git a/docs/library/pyb.SPI.rst b/docs/library/pyb.SPI.rst
index 7b765e6b0..5c732fccb 100644
--- a/docs/library/pyb.SPI.rst
+++ b/docs/library/pyb.SPI.rst
@@ -1,3 +1,5 @@
+.. _pyb.SPI:
+
 class SPI -- a master-driven serial protocol
 ============================================
 
diff --git a/docs/library/pyb.Timer.rst b/docs/library/pyb.Timer.rst
index 96ea48f0d..017ea56c5 100644
--- a/docs/library/pyb.Timer.rst
+++ b/docs/library/pyb.Timer.rst
@@ -1,3 +1,5 @@
+.. _pyb.Timer:
+
 class Timer -- control internal timers
 ======================================
 
diff --git a/docs/library/pyb.UART.rst b/docs/library/pyb.UART.rst
index 66f5cc5da..a636e65e3 100644
--- a/docs/library/pyb.UART.rst
+++ b/docs/library/pyb.UART.rst
@@ -1,3 +1,5 @@
+.. _pyb.UART:
+
 class UART -- duplex serial communication bus
 =============================================