diff --git a/nw/core/project.py b/nw/core/project.py
index 96e22103..b3a2661f 100644
--- a/nw/core/project.py
+++ b/nw/core/project.py
@@ -113,7 +113,7 @@ class NWProject():
         CUSTOM, and always have parent handle set to None.
         """
         if not self.projTree.checkRootUnique(rootClass):
-            self.makeAlert("Duplicate root item detected!", nwAlert.ERROR)
+            self.makeAlert("Duplicate root item detected.", nwAlert.ERROR)
             return None
         newItem = NWItem(self)
         newItem.setName(rootName)
@@ -995,7 +995,7 @@ class NWProject():
         # Report status
         if len(orphanFiles) > 0:
             self.makeAlert(
-                "Found %d orphaned file(s) in project folder!" % len(orphanFiles),
+                "Found %d orphaned file(s) in project folder." % len(orphanFiles),
                 nwAlert.WARN
             )
         else:
diff --git a/nw/gui/dialogs/projectsettings.py b/nw/gui/dialogs/projectsettings.py
index 8d501585..a49193d1 100644
--- a/nw/gui/dialogs/projectsettings.py
+++ b/nw/gui/dialogs/projectsettings.py
@@ -362,7 +362,9 @@ class GuiProjectEditStatus(QWidget):
                 self.listBox.takeItem(iRow)
                 self.colChanged = True
             else:
-                self.theParent.makeAlert("Cannot delete status item that is in use.",nwAlert.ERROR)
+                self.theParent.makeAlert(
+                    "Cannot delete status item that is in use.", nwAlert.ERROR
+                )
         return
 
     def _saveItem(self):
diff --git a/nw/gui/elements/doctree.py b/nw/gui/elements/doctree.py
index 2c81cf91..02db9bde 100644
--- a/nw/gui/elements/doctree.py
+++ b/nw/gui/elements/doctree.py
@@ -396,7 +396,7 @@ class GuiDocTree(QTreeWidget):
                 trItemP.takeChild(tIndex)
                 del self.theProject.projTree[tHandle]
             else:
-                self.makeAlert(["Cannot delete folder.","It is not empty."], nwAlert.ERROR)
+                self.makeAlert("Cannot delete folder. It is not empty.", nwAlert.ERROR)
                 return False
 
         elif nwItemS.itemType == nwItemType.ROOT:
@@ -407,7 +407,7 @@ class GuiDocTree(QTreeWidget):
                 self.theParent.mainMenu.setAvailableRoot()
                 self.theProject.setProjectChanged(True)
             else:
-                self.makeAlert(["Cannot delete root folder.","It is not empty."], nwAlert.ERROR)
+                self.makeAlert("Cannot delete root folder. It is not empty.", nwAlert.ERROR)
                 return False
 
         return True
diff --git a/nw/gui/icons.py b/nw/gui/icons.py
index a57f3029..d4ac4ef5 100644
--- a/nw/gui/icons.py
+++ b/nw/gui/icons.py
@@ -249,7 +249,9 @@ class GuiIcons:
             try:
                 confParser.read_file(open(themeConf, mode="r", encoding="utf8"))
             except Exception as e:
-                self.theParent.makeAlert(["Could not load theme config file.",str(e)],nwAlert.ERROR)
+                self.theParent.makeAlert(
+                    ["Could not load theme config file.",str(e)], nwAlert.ERROR
+                )
                 continue
             themeName = ""
             if confParser.has_section("Main"):
diff --git a/nw/gui/theme.py b/nw/gui/theme.py
index 5b4893a6..04a00c0e 100644
--- a/nw/gui/theme.py
+++ b/nw/gui/theme.py
@@ -284,7 +284,9 @@ class GuiTheme:
             try:
                 confParser.read_file(open(themeConf, mode="r", encoding="utf8"))
             except Exception as e:
-                self.theParent.makeAlert(["Could not load theme config file.",str(e)],nwAlert.ERROR)
+                self.theParent.makeAlert(
+                    ["Could not load theme config file.",str(e)], nwAlert.ERROR
+                )
                 continue
             themeName = ""
             if confParser.has_section("Main"):
@@ -314,7 +316,9 @@ class GuiTheme:
             try:
                 confParser.read_file(open(syntaxPath, mode="r", encoding="utf8"))
             except Exception as e:
-                self.theParent.makeAlert(["Could not load syntax file.",str(e)],nwAlert.ERROR)
+                self.theParent.makeAlert(
+                    ["Could not load syntax file.",str(e)], nwAlert.ERROR
+                )
                 return []
             syntaxName = ""
             if confParser.has_section("Main"):
diff --git a/nw/guimain.py b/nw/guimain.py
index 69090ac9..38471f97 100644
--- a/nw/guimain.py
+++ b/nw/guimain.py
@@ -553,7 +553,7 @@ class GuiMain(QMainWindow):
 
         if self.docEditor.theHandle is None:
             self.makeAlert(
-                ["Please open a document to import the text file into."],
+                "Please open a document to import the text file into.",
                 nwAlert.ERROR
             )
             return False
@@ -782,7 +782,7 @@ class GuiMain(QMainWindow):
         0 = info, 1 = warning, and 2 = error.
         """
         if isinstance(theMessage, list):
-            popMsg = " ".join(theMessage)
+            popMsg = "<br>".join(theMessage)
             logMsg = theMessage
         else:
             popMsg = theMessage