diff --git a/nw/config.py b/nw/config.py
index b668f42d..58c81ee9 100644
--- a/nw/config.py
+++ b/nw/config.py
@@ -88,7 +88,7 @@ class Config:
         self.guiLang     = "en" # Hardcoded for now
         self.guiFont     = ""
         self.guiFontSize = 11
-        self.guiScale    = 1.0
+        self.guiScale    = 1.0 # Set automatically by Theme class
 
         ## Sizes
         self.winGeometry  = [1100, 650]
@@ -126,8 +126,8 @@ class Config:
         self.highlightQuotes = True
 
         self.fmtApostrophe   = nwUnicode.U_RSQUO
-        self.fmtSingleQuotes = [nwUnicode.U_LSQUO,nwUnicode.U_RSQUO]
-        self.fmtDoubleQuotes = [nwUnicode.U_LDQUO,nwUnicode.U_RDQUO]
+        self.fmtSingleQuotes = [nwUnicode.U_LSQUO, nwUnicode.U_RSQUO]
+        self.fmtDoubleQuotes = [nwUnicode.U_LDQUO, nwUnicode.U_RDQUO]
 
         self.spellTool     = None
         self.spellLanguage = None
@@ -202,9 +202,14 @@ class Config:
     ##
 
     def pxInt(self, theSize):
+        """Used to scale fixed gui sizes by the screen scale factor.
+        This function returns an int, which is always rounded down.
+        """
         return int(self.guiScale*theSize)
 
     def pxFloat(self, theSize):
+        """Used to scale fixed gui sizes by the screen scale factor.
+        """
         return self.guiScale*theSize
 
     ##
diff --git a/nw/gui/preferences.py b/nw/gui/preferences.py
index 55d62fe9..17487a31 100644
--- a/nw/gui/preferences.py
+++ b/nw/gui/preferences.py
@@ -329,6 +329,8 @@ class GuiConfigEditGeneralTab(QWidget):
     ##
 
     def _backupFolder(self):
+        """Open a dialog to select the backup folder.
+        """
 
         currDir = self.backupPath
         if not path.isdir(currDir):
diff --git a/nw/gui/projload.py b/nw/gui/projload.py
index 361b5ba8..0a9999bc 100644
--- a/nw/gui/projload.py
+++ b/nw/gui/projload.py
@@ -61,20 +61,20 @@ class GuiProjectLoad(QDialog):
         self.openState = self.NONE_STATE
         self.openPath  = None
 
-        xSp = self.mainConf.pxInt(16)
-        xIc = self.mainConf.pxInt(96)
+        sPx = self.mainConf.pxInt(16)
+        iPx = self.mainConf.pxInt(96)
 
         self.outerBox = QVBoxLayout()
         self.innerBox = QHBoxLayout()
-        self.outerBox.setSpacing(xSp)
-        self.innerBox.setSpacing(xSp)
+        self.outerBox.setSpacing(sPx)
+        self.innerBox.setSpacing(sPx)
 
         self.setWindowTitle("Open Project")
         self.setMinimumWidth(self.mainConf.pxInt(650))
         self.setMinimumHeight(self.mainConf.pxInt(400))
         self.setModal(True)
 
-        self.guiDeco = self.theTheme.loadDecoration("nwicon", (xIc, xIc))
+        self.guiDeco = self.theTheme.loadDecoration("nwicon", (iPx, iPx))
         self.innerBox.addWidget(self.guiDeco, 0, Qt.AlignTop)
 
         self.projectForm = QGridLayout()
@@ -84,10 +84,9 @@ class GuiProjectLoad(QDialog):
         self.listBox = QTreeWidget()
         self.listBox.setSelectionMode(QAbstractItemView.SingleSelection)
         self.listBox.setDragDropMode(QAbstractItemView.NoDragDrop)
-        self.listBox.setColumnCount(4)
-        self.listBox.setHeaderLabels(["Working Title","Words","Last Opened","Path"])
+        self.listBox.setColumnCount(3)
+        self.listBox.setHeaderLabels(["Working Title", "Words", "Last Opened"])
         self.listBox.setRootIsDecorated(False)
-        self.listBox.setColumnHidden(3, True)
         self.listBox.itemSelectionChanged.connect(self._doSelectRecent)
         self.listBox.itemDoubleClicked.connect(self._doOpenRecent)
         self.listBox.setIconSize(QSize(iPx, iPx))
@@ -154,7 +153,7 @@ class GuiProjectLoad(QDialog):
         self._saveDialogState()
         selItems = self.listBox.selectedItems()
         if selItems:
-            self.openPath = selItems[0].text(3)
+            self.openPath = selItems[0].data(0, Qt.UserRole)
             self.openState = self.OPEN_STATE
             self.accept()
         else:
@@ -167,7 +166,7 @@ class GuiProjectLoad(QDialog):
         """
         selList = self.listBox.selectedItems()
         if selList:
-            self.selPath.setText(selList[0].text(3))
+            self.selPath.setText(selList[0].data(0, Qt.UserRole))
         return
 
     def _doBrowse(self):
@@ -257,9 +256,9 @@ class GuiProjectLoad(QDialog):
             newItem = QTreeWidgetItem([""]*4)
             newItem.setIcon(0, self.theParent.theTheme.getIcon("proj_nwx"))
             newItem.setText(0, listData[timeStamp][0])
+            newItem.setData(0, Qt.UserRole, listData[timeStamp][2])
             newItem.setText(1, formatInt(listData[timeStamp][1]))
             newItem.setText(2, datetime.fromtimestamp(timeStamp).strftime("%x %X"))
-            newItem.setText(3, listData[timeStamp][2])
             newItem.setTextAlignment(0, Qt.AlignLeft  | Qt.AlignVCenter)
             newItem.setTextAlignment(1, Qt.AlignRight | Qt.AlignVCenter)
             newItem.setTextAlignment(2, Qt.AlignRight | Qt.AlignVCenter)