diff --git a/nw/core/project.py b/nw/core/project.py
index d38d111b..5c187d7c 100644
--- a/nw/core/project.py
+++ b/nw/core/project.py
@@ -1441,23 +1441,24 @@ class NWProject():
     def _deprecatedFiles(self):
         """Delete files that are no longer used by novelWriter.
         """
-        rmList = []
-        rmList.append(path.join(self.projCache, "nwProject.nwx.0"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.1"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.2"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.3"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.4"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.5"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.6"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.7"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.8"))
-        rmList.append(path.join(self.projCache, "nwProject.nwx.9"))
-        rmList.append(path.join(self.projMeta,  "mainOptions.json"))
-        rmList.append(path.join(self.projMeta,  "exportOptions.json"))
-        rmList.append(path.join(self.projMeta,  "outlineOptions.json"))
-        rmList.append(path.join(self.projMeta,  "timelineOptions.json"))
-        rmList.append(path.join(self.projMeta,  "docMergeOptions.json"))
-        rmList.append(path.join(self.projMeta,  "sessionLogOptions.json"))
+        rmList = [
+            path.join(self.projCache, "nwProject.nwx.0"),
+            path.join(self.projCache, "nwProject.nwx.1"),
+            path.join(self.projCache, "nwProject.nwx.2"),
+            path.join(self.projCache, "nwProject.nwx.3"),
+            path.join(self.projCache, "nwProject.nwx.4"),
+            path.join(self.projCache, "nwProject.nwx.5"),
+            path.join(self.projCache, "nwProject.nwx.6"),
+            path.join(self.projCache, "nwProject.nwx.7"),
+            path.join(self.projCache, "nwProject.nwx.8"),
+            path.join(self.projCache, "nwProject.nwx.9"),
+            path.join(self.projMeta,  "mainOptions.json"),
+            path.join(self.projMeta,  "exportOptions.json"),
+            path.join(self.projMeta,  "outlineOptions.json"),
+            path.join(self.projMeta,  "timelineOptions.json"),
+            path.join(self.projMeta,  "docMergeOptions.json"),
+            path.join(self.projMeta,  "sessionLogOptions.json"),
+        ]
 
         for rmFile in rmList:
             if path.isfile(rmFile):
diff --git a/nw/core/tree.py b/nw/core/tree.py
index e9e39820..820d12d8 100644
--- a/nw/core/tree.py
+++ b/nw/core/tree.py
@@ -84,7 +84,7 @@ class NWTree():
         if tHandle is None:
             tHandle = self._makeHandle()
 
-        logger.verbose("Adding entry %s with parent %s" % (str(tHandle), str(pHandle)))
+        logger.verbose("Adding item %s with parent %s" % (str(tHandle), str(pHandle)))
 
         nwItem.setHandle(tHandle)
         nwItem.setParent(pHandle)
@@ -93,15 +93,15 @@ class NWTree():
         self._treeOrder.append(tHandle)
 
         if nwItem.itemType == nwItemType.ROOT:
-            logger.verbose("Entry %s is a root item" % str(tHandle))
+            logger.verbose("Item %s is a root item" % str(tHandle))
             self._treeRoots.append(tHandle)
             if nwItem.itemClass == nwItemClass.ARCHIVE:
-                logger.verbose("Entry %s is the archive folder" % str(tHandle))
+                logger.verbose("Item %s is the archive folder" % str(tHandle))
                 self._archRoot = tHandle
 
         if nwItem.itemType == nwItemType.TRASH:
             if self._trashRoot is None:
-                logger.verbose("Entry %s is the trash folder" % str(tHandle))
+                logger.verbose("Item %s is the trash folder" % str(tHandle))
                 self._trashRoot = tHandle
             else:
                 logger.error("Only one trash folder allowed")
diff --git a/nw/gui/docviewer.py b/nw/gui/docviewer.py
index c54411b4..09f83719 100644
--- a/nw/gui/docviewer.py
+++ b/nw/gui/docviewer.py
@@ -639,7 +639,8 @@ class GuiDocViewHistory():
         return
 
     def _truncateHistory(self, atPos):
-        """Truncate the navigation history to the given position.
+        """Truncate the navigation history to the given position. Also
+        enforces a maximum length of the navigation history to 20.
         """
         nSkip = 1 if atPos > 19 else 0
 
@@ -652,13 +653,15 @@ class GuiDocViewHistory():
         return
 
     def _dumpHistory(self):
-        """Debug function to dump history. Since it is a for loop, it is
-        skipped entirely if log level isn't VERBOSE.
+        """Debug function to dump history to the logger. Since it is a
+        for loop, it is skipped entirely if log level isn't VERBOSE.
         """
         if logger.getEffectiveLevel() < logging.DEBUG:
             for i, (h, p) in enumerate(zip(self._navHistory, self._posHistory)):
                 logger.verbose(
-                    "History: %s %2d %13s %5d" % (">" if i == self._currPos else " ", i, h, p)
+                    "History %02d: %s %13s [x:%d]" % (
+                        i + 1, ">" if i == self._currPos else " ", h, p
+                    )
                 )
         return
 
diff --git a/nw/gui/projtree.py b/nw/gui/projtree.py
index 0ca21507..0c909a91 100644
--- a/nw/gui/projtree.py
+++ b/nw/gui/projtree.py
@@ -584,7 +584,7 @@ class GuiProjectTree(QTreeWidget):
         always make sure items with a parent have had their parent item
         sent first.
         """
-        logger.debug("Building project tree ...")
+        logger.debug("Building the project tree ...")
         self.clear()
         iCount = 0
 
@@ -592,7 +592,7 @@ class GuiProjectTree(QTreeWidget):
             iCount += 1
             self._addTreeItem(nwItem)
 
-        logger.debug("%d items added to project tree" % iCount)
+        logger.debug("%d items added to the project tree" % iCount)
         return True
 
     def getSelectedHandle(self):