--- a/AbstractOperatingSystem.st	Thu Oct 13 23:16:04 2016 +0200
+++ b/AbstractOperatingSystem.st	Fri Oct 14 00:08:11 2016 +0200
@@ -3807,7 +3807,7 @@
 enableIOInterruptsOn:fd
     "turn on IO interrupts for a filedescriptor"
 
-    self subclassResonsibility
+    self subclassResponsibility
 !
 
 enableQuitInterrupts
@@ -3835,7 +3835,7 @@
 enableTimer:milliSeconds
     "setup for a timerInterrupt, to be signalled after some (real) time."
 
-    self subclassResonsibility
+    self subclassResponsibility
 !
 
 enableUserInterrupts