diff --git a/MANUAL.html b/MANUAL.html
index 65a06a1a2..00a44dc4a 100644
--- a/MANUAL.html
+++ b/MANUAL.html
@@ -706,7 +706,7 @@ r) Rename all to be different (by changing file.jpg to file-1.jpg)
 s/k/r> k
 Enter the number of the file to keep> 1
 one.txt: Deleted 1 extra copies
-two.txt: Found 3 files with duplicates names
+two.txt: Found 3 files with duplicate names
 two.txt: 3 duplicates remain
   1:       564374 bytes, 2016-03-05 16:22:52.118000000, MD5 7594e7dc9fc28f727c42ee3e0749de81
   2:      6048320 bytes, 2016-03-05 16:22:46.185000000, MD5 1eedaa9fe86fd4b8632e2ac549403b36
diff --git a/MANUAL.md b/MANUAL.md
index 35427b836..464553fb9 100644
--- a/MANUAL.md
+++ b/MANUAL.md
@@ -1279,7 +1279,7 @@ Now the `dedupe` session
     s/k/r> k
     Enter the number of the file to keep> 1
     one.txt: Deleted 1 extra copies
-    two.txt: Found 3 files with duplicates names
+    two.txt: Found 3 files with duplicate names
     two.txt: 3 duplicates remain
       1:       564374 bytes, 2016-03-05 16:22:52.118000000, MD5 7594e7dc9fc28f727c42ee3e0749de81
       2:      6048320 bytes, 2016-03-05 16:22:46.185000000, MD5 1eedaa9fe86fd4b8632e2ac549403b36
diff --git a/MANUAL.txt b/MANUAL.txt
index 59ebf1da2..f974a3cd4 100644
--- a/MANUAL.txt
+++ b/MANUAL.txt
@@ -1297,7 +1297,7 @@ Now the dedupe session
     s/k/r> k
     Enter the number of the file to keep> 1
     one.txt: Deleted 1 extra copies
-    two.txt: Found 3 files with duplicates names
+    two.txt: Found 3 files with duplicate names
     two.txt: 3 duplicates remain
       1:       564374 bytes, 2016-03-05 16:22:52.118000000, MD5 7594e7dc9fc28f727c42ee3e0749de81
       2:      6048320 bytes, 2016-03-05 16:22:46.185000000, MD5 1eedaa9fe86fd4b8632e2ac549403b36
diff --git a/cmd/dedupe/dedupe.go b/cmd/dedupe/dedupe.go
index 15936601b..7d5e0767c 100644
--- a/cmd/dedupe/dedupe.go
+++ b/cmd/dedupe/dedupe.go
@@ -92,7 +92,7 @@ Now the ` + "`dedupe`" + ` session
     s/k/r> k
     Enter the number of the file to keep> 1
     one.txt: Deleted 1 extra copies
-    two.txt: Found 3 files with duplicates names
+    two.txt: Found 3 files with duplicate names
     two.txt: 3 duplicates remain
       1:       564374 bytes, 2016-03-05 16:22:52.118000000, MD5 7594e7dc9fc28f727c42ee3e0749de81
       2:      6048320 bytes, 2016-03-05 16:22:46.185000000, MD5 1eedaa9fe86fd4b8632e2ac549403b36