add plurals for model classes

ippisite/ippidb/models.py

@@ -36,6 +36,9 @@ class Bibliography(models.Model):
         self.biblio_year = pubmed_info['biblio_year']
         super(Bibliography, self).save(*args, **kwargs)
 
+    class Meta:
+        verbose_name_plural = "bibliographies"
+
 class BibliographyForm(ModelForm):
     class Meta:
         model = Bibliography
@@ -44,6 +47,8 @@ class BibliographyForm(ModelForm):
 class Taxonomy(models.Model):
     taxonomy_id = models.DecimalField('NCBI TaxID', unique=True, max_digits=4, decimal_places=0)
     name = models.CharField('Organism name', max_length=200)
+    class Meta:
+        verbose_name_plural = "taxonomies"
 
 class MolecularFunction(models.Model):
     go_id = models.CharField('Gene Ontology ID', unique=True, max_length=10) # GO term id format: 'GO:0000000' 
@@ -71,6 +76,9 @@ class BindingSite(models.Model):
 class Complex(models.Model):
     protein_id = models.ForeignKey('Protein')
     copy_nb = models.IntegerField('Number of copies')
+    class Meta:
+        verbose_name_plural = "complexes"
+    
 
 class Ppi(models.Model):
     complex_id_1 = models.ForeignKey(Complex, related_name='cplx_id_1')