diff --git a/modules/pc8080/README.md b/modules/pc8080/README.md
index 6503eec31..dd569d1e6 100644
--- a/modules/pc8080/README.md
+++ b/modules/pc8080/README.md
@@ -24,13 +24,14 @@ PC8080 is comprised of the following non-shared components, as listed in [packag
 * [bus.js](/modules/pc8080/lib/bus.js)
 * [memory.js](/modules/pc8080/lib/memory.js)
 * [cpu.js](/modules/pc8080/lib/cpu.js)
-* [cpusim.js](/modules/pc8080/lib/cpusim.js)
+* [cpustate.js](/modules/pc8080/lib/cpustate.js)
 * [cpuops.js](/modules/pc8080/lib/cpuops.js)
 * [chipset.js](/modules/pc8080/lib/chipset.js)
 * [rom.js](/modules/pc8080/lib/rom.js)
 * [ram.js](/modules/pc8080/lib/ram.js)
 * [keyboard.js](/modules/pc8080/lib/keyboard.js)
 * [video.js](/modules/pc8080/lib/video.js)
+* [serialport.js](/modules/pc8080/lib/serialport.js)
 * [debugger.js](/modules/pc8080/lib/debugger.js)
 * [state.js](/modules/pc8080/lib/state.js)
 * [computer.js](/modules/pc8080/lib/computer.js)