--- a/UnixOperatingSystem.st	Wed Mar 23 15:01:54 2016 +0100
+++ b/UnixOperatingSystem.st	Wed Mar 23 19:22:38 2016 +0100
@@ -9844,7 +9844,7 @@
      that they can deal with timestamps before 1970 (especially: win32 will do so).
      Notice that timestamp is prepared to compensate for any OS limitation by computing the timeInfo
      components itself.
-     So it is usually (except for a little performane) no problem to return a range too small here."
+     So it is usually (except for a little performance) no problem to return a range too small here."
 
     ^ -16r80000000 * 1000
 !