diff --git a/README.md b/README.md
index 7ba0817..e3cf2c2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # TinyFinger
 
-TinyFinger is a small device powered by an ATtiny13 to produce pseudorandom
+TinyFinger is a small device powered by an ATtiny45 to produce pseudorandom
 numbers for selecting student groups during the computer science hardware
 courses at Leipzig University.
 
@@ -12,7 +12,7 @@ mostly SMD components. The routing was done manually.
 ## code
 
 The firmware for the ATtiny is written as an Arduino sketch using the
-[MicroCore] board definitions. It uses a [linear congruential generator]
+[ATTinyCore] board definitions. It uses a [linear congruential generator]
 for generating pseudorandom numbers and transforms them to the needed
 range using the gcc uniform_int_dist c++std implementation.
 
@@ -24,6 +24,6 @@ ISP with the ArduinoISP example sketch included with the IDE.
 The case is modelled in Blender and intended for 3d printing, e.g. using
 Cura after exporting the model as an stl file.
 
-[MicroCore]: https://github.com/MCUdude/MicroCore
+[ATTinyCore]: https://github.com/SpenceKonde/ATTinyCore
 [linear congruential generator]: https://en.wikipedia.org/wiki/Linear_congruential_generator