diff --git a/scsh/dir-streams/dir-stream-predicates.scm b/scsh/dir-streams/dir-stream-predicates.scm
index dce3ec3..c4eb646 100644
--- a/scsh/dir-streams/dir-stream-predicates.scm
+++ b/scsh/dir-streams/dir-stream-predicates.scm
@@ -11,10 +11,10 @@
 (define (dir-stream-display ds)
   (dir-stream-for-each ds display display))
 
-(define (fs-object-size-less-then? fs-object size)
+(define (fs-object-size-less-than? fs-object size)
   (< (file-info:size (fs-object-info fs-object)) size))
 
-(define (fs-object-size-greater-then? fs-object size)
+(define (fs-object-size-greater-than? fs-object size)
   (> (file-info:size (fs-object-info fs-object)) size))
 
 (define (minutes->seconds minutes)
diff --git a/scsh/dir-streams/interfaces.scm b/scsh/dir-streams/interfaces.scm
index f2246a0..6986e4a 100644
--- a/scsh/dir-streams/interfaces.scm
+++ b/scsh/dir-streams/interfaces.scm
@@ -10,8 +10,8 @@
 	  fs-object-file-name))
 
 (define-interface dir-stream-predicates-interfaces
-  (export fs-object-size-less-then?
-	  fs-object-size-greater-then?
+  (export fs-object-size-less-than?
+	  fs-object-size-greater-than?
 	  days->seconds
 	  hours->seconds
 	  minutes->seconds