diff --git a/src/Gui/Selection.cpp b/src/Gui/Selection.cpp
index b544da3334..ff33f586d0 100644
--- a/src/Gui/Selection.cpp
+++ b/src/Gui/Selection.cpp
@@ -766,7 +766,7 @@ bool SelectionSingleton::addSelection(const char* pDocName, const char* pObjectN
         return true;
     }
     else {
-        // neither an existing nor active document available 
+        // neither an existing nor active document available
         // this can often happen when importing .iv files
         Base::Console().Error("Cannot add to selection: no document '%s' found.\n", pDocName);
         return false;
@@ -1039,7 +1039,7 @@ PyMethodDef SelectionSingleton::Methods[] = {
      "second argumeht defines the document name. If no document name is given the\n"
      "currently active document is used"},
     {"getSelection",         (PyCFunction) SelectionSingleton::sGetSelection, METH_VARARGS,
-     "getSelection([string]) -- Return a list of selected objets\n"
+     "getSelection([string]) -- Return a list of selected objects\n"
      "Return a list of selected objects for a given document name. If no\n"
      "document name is given the selection for the active document is returned."},
     {"getCompleteSelection", (PyCFunction) SelectionSingleton::sGetCompleteSelection, METH_VARARGS,
diff --git a/src/Mod/Part/MakeBottle.py b/src/Mod/Part/MakeBottle.py
index affce59997..92922059a1 100644
--- a/src/Mod/Part/MakeBottle.py
+++ b/src/Mod/Part/MakeBottle.py
@@ -125,7 +125,7 @@ def makeBoreHole():
 
 	App.ActiveDocument.recompute()
 
-	# hide all objets except of the final one
+	# hide all objects except of the final one
 	Gui.ActiveDocument.getObject(Wire.Name).hide()
 	Gui.ActiveDocument.getObject(Face.Name).hide()
 	Gui.ActiveDocument.getObject(Prism.Name).hide()
diff --git a/src/Mod/PartDesign/App/DatumPlane.cpp b/src/Mod/PartDesign/App/DatumPlane.cpp
index 63d966388c..b6317b1549 100644
--- a/src/Mod/PartDesign/App/DatumPlane.cpp
+++ b/src/Mod/PartDesign/App/DatumPlane.cpp
@@ -1,6 +1,6 @@
-/***************************************************************************
- *   Copyright (c) 2013 Jan Rheinländer <jrheinlaender[at]users.sourceforge.net>     *
- *                                                                         *
+/***************************************************************************
+ *   Copyright (c) 2013                                                    *
+ *                Jan Rheinländer <jrheinlaender[at]users.sourceforge.net> *
  *   This file is part of the FreeCAD CAx development system.              *
  *                                                                         *
  *   This library is free software; you can redistribute it and/or         *
@@ -44,7 +44,7 @@ Plane::Plane()
 {
     // These properties are only relevant for the visual appearance.
     // Since they are getting changed from within its view provider
-    // their type is set to "Ouput" to avoid that they are marked as
+    // their type is set to "Output" to avoid that they are marked as
     // touched all the time.
     ADD_PROPERTY_TYPE(ResizeMode,(static_cast<long>(0)), "Size", App::Prop_Output, "Automatic or manual resizing");
     ResizeMode.setEnums(ResizeModeEnums);
diff --git a/src/Mod/Start/StartPage/TranslationTexts.py b/src/Mod/Start/StartPage/TranslationTexts.py
index d22cd151e0..6f7aaa3710 100644
--- a/src/Mod/Start/StartPage/TranslationTexts.py
+++ b/src/Mod/Start/StartPage/TranslationTexts.py
@@ -63,7 +63,7 @@ T_DESCR_COMMUNITYHELP1 = translate("StartPage", "The <a href=\"http://forum.free
 T_DESCR_COMMUNITYHELP2 = translate("StartPage", "If it is the first time you are posting on the forum, be sure to <a href=\"https://forum.freecadweb.org/viewtopic.php?f=3&t=2264\">read the guidelines</a> first!")
 T_DESCR_COMMUNITYHELP3 = translate("StartPage", "FreeCAD also maintains a public <a href=\"https://www.freecadweb.org/tracker\">bug tracker</a> where anybody can submit bugs and propose new features. To avoid causing extra work and give the best chances to see your bug solved, make sure you read the <a href=\"https://forum.freecadweb.org/viewtopic.php?f=3&t=5236\">bug submission guide</a> before posting.")
 T_ADDONS = translate("StartPage", "Available addons")
-T_DESCR_ADDONS = translate("StartPage", "Below is a list of available extra workbenches that can be added to your FreeCAD installation. Browse and install them from menu Tools -> Addons mananger. You can learn more about any of them by clicking the links below.")
+T_DESCR_ADDONS = translate("StartPage", "Below is a list of available extra workbenches that can be added to your FreeCAD installation. Browse and install them from menu Tools -> Addons manager. You can learn more about any of them by clicking the links below.")
 T_OFFLINEHELP = translate("StartPage", "If not bundled with your FreeCAD version, install the FreeCAD documentation package to get documentation hubs, workbench help and individual command documentation without an internet connection.")
 T_OFFLINEPLACEHOLDER = translate("StartPage", "Cannot fetch information from GitHub. <a href=\"EnableDownload.py\">Authorize FreeCAD to access the internet</a> and reload the Start page.")
 T_RECENTCOMMITS = translate("StartPage", "Recent commits")