[Sketcher] [Part] Fix typos and whitespace

src/Mod/Part/App/AppPartPy.cpp

@@ -2032,7 +2032,7 @@ private:
 #else
 #ifdef FC_OS_WIN32
             //PyUNICODE is only 16 bits on Windows (wchar_t), so passing 32 bit UCS4
-            //will result in unknow glyph in even positions, and wrong characters in
+            //will result in unknown glyph in even positions, and wrong characters in
             //odd positions.
             unichars = (Py_UNICODE*)PyUnicode_AsWideCharString(p, &pysize);
 #else
@@ -2048,7 +2048,7 @@ private:
 #else
 #ifdef FC_OS_WIN32
             //PyUNICODE is only 16 bits on Windows (wchar_t), so passing 32 bit UCS4
-            //will result in unknow glyph in even positions, and wrong characters in
+            //will result in unknown glyph in even positions, and wrong characters in
             //odd positions.
             unichars = (Py_UNICODE*)PyUnicode_AsWideCharString(intext, &pysize);
 #else

src/Mod/Sketcher/Gui/SketcherSettingsDisplay.ui

@@ -257,7 +257,7 @@ Supports all unit systems except 'US customary' and 'Building US/Euro'.</string>
          <string>Cursor position coordinates will be displayed beside cursor while editing sketch.</string>
         </property>
         <property name="text">
-         <string>Show coodinates beside cursor while editing</string>
+         <string>Show coordinates beside cursor while editing</string>
         </property>
         <property name="checked">
          <bool>true</bool>

src/Mod/Sketcher/Gui/Utils.h

@@ -129,13 +129,12 @@ void removeRedundantHorizontalVertical(Sketcher::SketchObject* psketch,
 
 void ConstraintToAttachment(Sketcher::GeoElementId element, Sketcher::GeoElementId attachment, double distance, App::DocumentObject* obj);
 
-//convenience functions for cursor coodinates
+//convenience functions for cursor coordinates
 bool        hideUnits();
 bool        showCursorCoords();
 bool        useSystemDecimals();
 std::string lengthToDisplayFormat(double value, int digits);
 std::string angleToDisplayFormat(double value, int digits);
-
 }
 
 /// converts a 2D vector into a 3D vector in the XY plane