diff --git a/soitool/main_window.py b/soitool/main_window.py
index 42fca26c7b8a25174e57328030c2164fb3c9ee10..73d0ab233de1a4a18b0c679cc08ca631789b8867 100644
--- a/soitool/main_window.py
+++ b/soitool/main_window.py
@@ -77,7 +77,7 @@ class MainWindow(QMainWindow):
         self.setWindowIcon(QIcon(filepath))
 
     # pylint: disable=R0914, R0915
-    # Ignoring "Too manu local variables" and "Too many statements"
+    # Ignoring "Too many local variables" and "Too many statements"
     def setup_menubar(self):
         """Set up menubar with submenus and actions."""
         menu = self.menuBar()
@@ -132,8 +132,8 @@ class MainWindow(QMainWindow):
         export_uncompressed.triggered.connect(
             partial(self.try_export_soi, compressed=False)
         )
-        export_serialized_soi.addAction(export_uncompressed)
         export_serialized_soi.addAction(export_compressed)
+        export_serialized_soi.addAction(export_uncompressed)
         file_menu.addMenu(export_serialized_soi)
 
         # View/edit Codebook
@@ -207,8 +207,8 @@ class MainWindow(QMainWindow):
     def try_export_soi(self, compressed=True):
         """Export the SOI in the current tab.
 
-        Feedback is given through a dialog if the current tab does not show a
-        SOI (tab is not a SOIWorkspaceWidget).
+        Feedback is given through a dialog if the current tab does not contain
+        an SOI (tab is not a SOIWorkspaceWidget).
 
         Parameters
         ----------
@@ -217,7 +217,7 @@ class MainWindow(QMainWindow):
         """
         tab_widget = self.tabs.currentWidget()
 
-        # If tab contains a SOI
+        # If tab contains an SOI
         if isinstance(tab_widget, SOIWorkspaceWidget):
             export_soi(tab_widget.soi, compressed)
         else:
@@ -230,11 +230,12 @@ class MainWindow(QMainWindow):
     def import_soi(self):
         """Import serialized SOI.
 
-        Launches a QFileDialog with .txt and .json as accepted file extensions.
+        Launches a QFileDialog with a name-filter, where .txt and .json are
+        accepted file extensions.
         A SOIWorkspaceWidget containing the SOI-object is created and opened
         in a new tab, which is selected.
         """
-        # Get file-name from dialog
+        # Get file-path from dialog
         file_path = QFileDialog().getOpenFileName(
             self,
             "Ã…pne SOI",
diff --git a/soitool/module_list.py b/soitool/module_list.py
index 978d7b7dac5117c70bc4a0f823f046370d7a6ad3..5cdf6cb6cadd585725e017368ee571acd8e9a2a1 100644
--- a/soitool/module_list.py
+++ b/soitool/module_list.py
@@ -102,8 +102,10 @@ class ModuleList(QListWidget):
             Is sent to super().
         """
         super().currentChanged(current, previous)
-        self.original_element_name = self.item(current.row()).text()
-        self.original_element_index = current.row()
+        # If an item is selected
+        if current.row() != -1:
+            self.original_element_name = self.item(current.row()).text()
+            self.original_element_index = current.row()
 
     def dataChanged(self, index1, index2, roles):
         """Check for duplicate name and notify parent when an element changes.
diff --git a/soitool/modules/module_table.py b/soitool/modules/module_table.py
index 9beb24fb85abe0b88c3861141faaf06b44cb04f5..666a4ff9e9c5e8d3ac4dd62533b1a76e71854755 100644
--- a/soitool/modules/module_table.py
+++ b/soitool/modules/module_table.py
@@ -37,9 +37,11 @@ class TableModule(ModuleBase, QTableWidget, metaclass=Meta):
         QTableWidget.__init__(self)
         ModuleBase.__init__(self)
 
-        # Remove headers
+        # Remove headers and scrollbars
         self.horizontalHeader().hide()
         self.verticalHeader().hide()
+        self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
+        self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
 
         # If parameters are None, start as empty table.
         if size is None and content is None:
@@ -74,10 +76,6 @@ class TableModule(ModuleBase, QTableWidget, metaclass=Meta):
             self.setFixedWidth(size["width"])
             self.setFixedHeight(size["height"])
 
-        # Remove scrollbars
-        self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
-        self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
-
         self.cellChanged.connect(self.resize)
 
     def keyPressEvent(self, event):
diff --git a/soitool/serialize_export_import_soi.py b/soitool/serialize_export_import_soi.py
index b4d6c145e3ff906d0f2e338ec2efccd67298e8f1..88c366882799a13b00df2766a4c8991aa7a0749b 100644
--- a/soitool/serialize_export_import_soi.py
+++ b/soitool/serialize_export_import_soi.py
@@ -23,9 +23,9 @@ def serialize_soi(soi):
     Raises
     ------
     TypeError
-        Raises error if parameter 'soi' is not a SOI.
+        Raises error if parameter 'soi' is not an SOI.
     """
-    # If parameter 'soi' is not a SOI
+    # If parameter 'soi' is not an SOI
     if not isinstance(soi, SOI):
         raise TypeError(
             "Invalid type for parameter 'soi': " + "'{}'.".format(soi)
@@ -81,14 +81,14 @@ def export_soi(soi, compressed=True):
     A .json-file is created to contain uncompressed SOI.
 
     The generated file-name will be on the format: "SOI_title_YYYY_mm_dd",
-    where title is the soi-title.
+    where title is the SOI-title.
 
     Parameters
     ----------
     soi: soitool.soi.SOI
         SOI to export
     compressed : bool, optional
-        Serialized SOI is compressed if True (default).
+        Serialized SOI will be compressed if True (default).
     """
     # Serialize SOI
     serialized = serialize_soi(soi)
@@ -117,7 +117,7 @@ def import_soi(file_path):
     Parameters
     ----------
     file_path : string
-        full path to file containing serialized SOI
+        Full path to a file containing serialized SOI.
 
     Returns
     -------
diff --git a/test/test_serialize_export_import.py b/test/test_serialize_export_import.py
index 04effbd3d8e9ac2e3c59179aaea71bedcb2a57a1..c9a22dcb402015ec4d6cdc215706041a26f57366 100644
--- a/test/test_serialize_export_import.py
+++ b/test/test_serialize_export_import.py
@@ -108,7 +108,7 @@ SCHEMA = Schema(
 
 
 class SerializeTest(unittest.TestCase):
-    """Testcase for functions in module 'serialize_export_import.py'."""
+    """Testcase for functions in module 'serialize_export_import_soi.py'."""
 
     def setUp(self):
         """Create SOI-object and generate filepath for exported SOI."""