--- a/Filename.st	Tue May 30 17:52:45 2017 +0200
+++ b/Filename.st	Tue May 30 17:52:46 2017 +0200
@@ -43,7 +43,7 @@
     Filenames; originally added for ST-80 compatibility, is
     taking over functionality from other classes (FileDirectory).
 
-    Instances of Filename do not nescessarily represent valid or existing
+    Instances of Filename do not necessarily represent valid or existing
     files - i.e. it is possible (and useful) to have instances for non-existing
     files around. In other words: the name-string is not checked automatically
     for being correct or existing.