diff --git a/soitool/media/authentificationboardmodule.PNG b/soitool/media/authenticationboardmodule.PNG
similarity index 100%
rename from soitool/media/authentificationboardmodule.PNG
rename to soitool/media/authenticationboardmodule.PNG
diff --git a/soitool/modules/module_authentication_board.py b/soitool/modules/module_authentication_board.py
index cd0bfa2842c52dd3093ec51d52aa5d922139fc8b..a6c8e41bf3c4abc23d7e513abb851ea7300838f0 100644
--- a/soitool/modules/module_authentication_board.py
+++ b/soitool/modules/module_authentication_board.py
@@ -31,10 +31,10 @@ class AuthenticationBoardModule(ModuleBase, QTableWidget, metaclass=Meta):
     """Modified QTableWidget representing a 'Autentifiseringstavle'.
 
     By default, the widget initializes with a headline, a row-count of
-    START_NO_OF_AUTHENTIFICATION_CODES and three columns.
+    START_NO_OF_AUTHENTICATION_CODES and three columns.
     Row x in the first column contains the character ROW_IDENTIFIERS[x].
     Row x in the second column contains the character x.
-    Row x in the third column contains an authentification code.
+    Row x in the third column contains an authentication code.
 
     If parameters are given, the widget initializes accordingly:
     'size' is a dict: {"width": int, "height": int},
@@ -49,7 +49,7 @@ class AuthenticationBoardModule(ModuleBase, QTableWidget, metaclass=Meta):
     """
 
     def __init__(self, size=None, data=None):
-        self.type = "AuthentificationBoardModule"
+        self.type = "AuthenticationBoardModule"
         QTableWidget.__init__(self)
         ModuleBase.__init__(self)
 
@@ -97,7 +97,7 @@ class AuthenticationBoardModule(ModuleBase, QTableWidget, metaclass=Meta):
             self.insert_headline(data[0])
 
     def generate_table(self):
-        """Insert row identifiers and authentification codes."""
+        """Insert row identifiers and authentication codes."""
         # Set number of rows and columns
         self.setRowCount(START_NO_OF_AUTHENTICATION_CODES)
         self.setColumnCount(3)
@@ -145,13 +145,13 @@ class AuthenticationBoardModule(ModuleBase, QTableWidget, metaclass=Meta):
         self.setItem(0, 0, item_headline)
         self.setSpan(0, 0, 1, self.columnCount())  # Make cell span all columns
 
-    def generate_unique_authentification_code(self):
-        """Generate authentification-code that does not already exist.
+    def generate_unique_authentication_code(self):
+        """Generate authentication-code that does not already exist.
 
         Returns
         -------
         string
-            Generated, unique authentification-code
+            Generated, unique authentication-code
         """
         # Get existing codes
         existing_codes = self.get_codes()
@@ -186,7 +186,7 @@ class AuthenticationBoardModule(ModuleBase, QTableWidget, metaclass=Meta):
         # (+ 1 to skip row containing headline)
         if self.rowCount() < len(ROW_IDENTIFIERS) + 1 and row_index != -1:
             # Generate unique code and insert row
-            code = self.generate_unique_authentification_code()
+            code = self.generate_unique_authentication_code()
             self.insertRow(row_index + 1)
 
             # Loop through all rows starting with the new row
@@ -201,7 +201,7 @@ class AuthenticationBoardModule(ModuleBase, QTableWidget, metaclass=Meta):
                 item_second.setFlags(item_second.flags() ^ Qt.ItemIsEditable)
                 self.setItem(i, 1, item_second)
 
-            # Insert authentification-code in third column
+            # Insert authentication-code in third column
             item_third = QTableWidgetItem(code)
             item_third.setFlags(item_third.flags() ^ Qt.ItemIsEditable)
             self.setItem(row_index + 1, 2, item_third)
@@ -227,12 +227,12 @@ class AuthenticationBoardModule(ModuleBase, QTableWidget, metaclass=Meta):
         resize_table(self, resize_column=False)
 
     def get_codes(self):
-        """Get all authentification-codes in table.
+        """Get all authentication-codes in table.
 
         Returns
         -------
         List
-            List containing authentification-codes.
+            List containing authentication-codes.
         """
         codes = []
 
@@ -276,4 +276,4 @@ class AuthenticationBoardModule(ModuleBase, QTableWidget, metaclass=Meta):
     @staticmethod
     def get_icon():
         """Get icon of module."""
-        return QtGui.QIcon("soitool/media/authentificationboardmodule.png")
+        return QtGui.QIcon("soitool/media/authenticationboardmodule.png")
diff --git a/soitool/serialize_export_import_soi.py b/soitool/serialize_export_import_soi.py
index a5c1dc80224023b4c042fa1343507e7bc955cf0a..f61b8f6b3dfce534446eccfd4520982499eca08e 100644
--- a/soitool/serialize_export_import_soi.py
+++ b/soitool/serialize_export_import_soi.py
@@ -221,7 +221,7 @@ def import_soi(file_path):
             modules.append(
                 {"widget": TableModule(size, data), "meta": module["meta"]}
             )
-        elif module_type == "AuthentificationBoardModule":
+        elif module_type == "AuthenticationBoardModule":
             size = module["size"]
             data = module["data"]
             modules.append(
diff --git a/test/test_module_authentication_board.py b/test/test_module_authentication_board.py
index d5f5869433a0dfe8c7ca36f467cee19e4a22c32a..3178351df8e47eead23ab1784b2cded18add24cb 100644
--- a/test/test_module_authentication_board.py
+++ b/test/test_module_authentication_board.py
@@ -58,10 +58,10 @@ class TestDefaultAuthenticationBoardModule(unittest.TestCase):
         code_set = set(code_list)
         self.assertEqual(len(code_list), len(code_set))
 
-    def test_generate_unique_authentification_code(self):
-        """Test function generate_unique_authentification_module."""
+    def test_generate_unique_authentication_code(self):
+        """Test function generate_unique_authentication_module."""
         code_list = self.module.get_codes()
-        generated_code = self.module.generate_unique_authentification_code()
+        generated_code = self.module.generate_unique_authentication_code()
 
         # Assert code length is equal to an existing code
         self.assertEqual(len(generated_code), len(code_list[0]))