--- a/Object.st	Tue Sep 06 18:08:12 2016 +0200
+++ b/Object.st	Wed Sep 07 13:55:14 2016 +0200
@@ -4698,12 +4698,12 @@
 !
 
 shouldNeverBeSent
-    "report an error that this message may never be sent to the reciever"
+    "report an error that this message may never be sent to the receiver"
 
     <resource: #skipInDebuggersWalkBack>
 
     ^ MethodNotAppropriateError
-	raiseRequestErrorString:'This message never may be sent to me'.
+        raiseRequestErrorString:'This message never may be sent to me'.
 
     "Modified: / 20-04-2005 / 18:59:28 / janfrog"
     "Modified: / 02-11-2012 / 10:10:42 / cg"
@@ -9206,7 +9206,7 @@
 !
 
 ifNotNilDo:aBlock
-    "if the reciever is non-nil, return the value of aBlock, passing myself as argument.
+    "if the receiver is non-nil, return the value of aBlock, passing myself as argument.
      Otherwise do nothing and return nil."
 
     ^ aBlock value:self