diff --git a/doc/xtandem_pipeline.pdf b/doc/xtandem_pipeline.pdf
index f0cdf50836572a9e6e231010721e9920f88640fa..03a22d424c6460d2e350fff0d7b08e0f6610b714 100644
Binary files a/doc/xtandem_pipeline.pdf and b/doc/xtandem_pipeline.pdf differ
diff --git a/src/fr/inra/pappso/xtandempipeline/ui/swt/Main_Windows.java b/src/fr/inra/pappso/xtandempipeline/ui/swt/Main_Windows.java
index f12db5195ffd43cab2eb28e3a589c67bdf2ca840..7496f60d8aa8312714d77a1bbb0660d066740bd6 100644
--- a/src/fr/inra/pappso/xtandempipeline/ui/swt/Main_Windows.java
+++ b/src/fr/inra/pappso/xtandempipeline/ui/swt/Main_Windows.java
@@ -369,7 +369,7 @@ public class Main_Windows {
 		t2.setText("" + conf.get_peptide_number());
 		t2.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false));
 		Label l3 = new Label(composite, SWT.NONE);
-		l3.setText("Number of peptide per protein");
+		l3.setText("Number of peptides per protein");
 		l3.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 
 		Text t4 = new Text(composite, SWT.SINGLE);