diff --git a/input/admin.py b/input/admin.py
index eff2e5e..20db719 100755
--- a/input/admin.py
+++ b/input/admin.py
@@ -38,7 +38,7 @@ class ProjectAdmin(admin.ModelAdmin):
 @admin.register(BusinessCard)
 class BusinessCardAdmin(admin.ModelAdmin):
     save_as = True    
-    search_fields = (('realname', 'service_id'), 'granted', 'granted_date', 'project')
+    search_fields = ('realname', 'service_id', 'granted', 'granted_date', 'project')
     list_display = ('realname', 'service_id', 'granted', 'granted_date', 'project')
     list_display_links = ('realname', 'service_id')
     #    action = ['export_as_csv']
@@ -49,7 +49,7 @@ class BusinessCardAdmin(admin.ModelAdmin):
 @admin.register(Literature)
 class LiteratureAdmin(admin.ModelAdmin):
     save_as = True
-    search_fields = (('realname', 'service_id'), 'granted', 'granted_date')
+    search_fields = ('realname', 'service_id', 'granted', 'granted_date')
     list_display = ('realname', 'service_id', 'granted', 'granted_date')
     list_display_links = ('realname', 'service_id')
     date_hierarchy = 'granted_date'
@@ -73,7 +73,7 @@ class HonoraryCertificateAdmin(admin.ModelAdmin):
 @admin.register(Library)
 class LibraryAdmin(admin.ModelAdmin):
     save_as = True
-    search_fields = (('realname', 'service_id'), 'granted', 'granted_date')
+    search_fields = ('realname', 'service_id', 'granted', 'granted_date')
     list_display = ('realname', 'service_id', 'granted', 'granted_date')
     list_display_links = ('realname', 'service_id')
     date_hierarchy = 'granted_date'
@@ -81,7 +81,7 @@ class LibraryAdmin(admin.ModelAdmin):
 @admin.register(IFG)
 class IFGAdmin(admin.ModelAdmin):
     save_as = True
-    search_fields = (('realname', 'service_id'), 'granted', 'granted_date')
+    search_fields = ('realname', 'service_id', 'granted', 'granted_date')
     list_display = ('realname', 'service_id', 'granted', 'granted_date')
     list_display_links = ('realname', 'service_id')
     date_hierarchy = 'granted_date'
@@ -97,7 +97,7 @@ class TravelAdmin(admin.ModelAdmin):
 @admin.register(Email)
 class EmailAdmin(admin.ModelAdmin):
     save_as = True
-    search_fields = (('realname', 'service_id'), 'granted', 'granted_date')
+    search_fields = ('realname', 'service_id', 'granted', 'granted_date')
     list_display = ('realname', 'service_id', 'granted', 'granted_date')
     list_display_links = ('realname', 'service_id')
     date_hierarchy = 'granted_date'
@@ -106,7 +106,7 @@ class EmailAdmin(admin.ModelAdmin):
 @admin.register(List)
 class ListAdmin(admin.ModelAdmin):
     save_as = True
-    search_fields = (('realname', 'service_id'), 'granted', 'granted_date')
+    search_fields = ('realname', 'service_id', 'granted', 'granted_date')
     list_display = ('realname', 'service_id', 'granted', 'granted_date')
     list_display_links = ('realname', 'service_id')
     date_hierarchy = 'granted_date'
diff --git a/input/models.py b/input/models.py
index f5ced02..a302bd3 100755
--- a/input/models.py
+++ b/input/models.py
@@ -124,7 +124,7 @@ class Project(Volunteer):
 
 
 class Intern(Volunteer):
-    '''abstrat base class for data entry from /intern (except Project)'''
+    '''abstract base class for data entry from /intern (except Project)'''
     request_url = models.URLField(max_length=2000, verbose_name='Antrag (URL)')
     intern_notes = models.TextField(max_length=1000, blank=True)
     class Meta: