Index: error.c
===================================================================
--- error.c	(revision 22762)
+++ error.c	(working copy)
@@ -216,7 +216,7 @@
 
 	fprintf(out,
 		"[NOTE]\n"
-		"You may encounter a bug of Ruby interpreter. Bug reports are welcome.\n"
+		"You may have encountered a bug in the Ruby interpreter. Bug reports are welcome.\n"
 		"For details: http://www.ruby-lang.org/bugreport.html\n\n");
     }
 }