Fix typos in comments.

scripts/ddr3_length_match.py

@@ -239,7 +239,7 @@ def report_teed_lengths(groupname, netname, target_length, tolerance):
     """
 
     # Each net goes from CPU to four memory chips, these are the 4 lengths from
-    # CPU to each of the for memory chip balls/pads, some of these journies are
+    # CPU to each of the for memory chip balls/pads, some of these journeys are
     # common with one another but branch off at each T.
     lens[0] += len_t1 + len_t2_1
     lens[1] += len_t1 + len_t2_1
@@ -295,7 +295,7 @@ if __name__ == "__main__":
                 pass # kicad save process seems to momentarily delete file, so there's a race here with "No such file.."
             time.sleep(0.5)
 
-        # The "Debug" build of pcbnew writes to disk slowy, new file takes time to get to disk.
+        # The "Debug" build of pcbnew writes to disk slowly, new file takes time to get to disk.
         time.sleep(1)
 
         first = False

utils/idftools/idf_parser.cpp

@@ -2325,7 +2325,7 @@ void IDF3_BOARD::readBoardFile( const std::string& aFileName, bool aNoSubstitute
         //       section must be the Outline section, and the last section must be the
         //       Placement section. All other sections may be in any order."
 
-        // further notes: Except for the HEADER section, sections may be preceeded by
+        // further notes: Except for the HEADER section, sections may be preceded by
         // comment lines which will be copied back out on write(). No comments may
         // be associated with the board file itself since the only logical location
         // for unambiguous association is at the end of the file, which is inconvenient

utils/idftools/idf_parser.h

@@ -373,7 +373,7 @@ public:
      *
      * @param aComponentOutline is a pointer to the outline data to be added
      *
-     * @return true if the operation succeedes, otherwise false
+     * @return true if the operation succeeds, otherwise false
      */
     bool AddOutlineData( IDF3_COMP_OUTLINE_DATA* aComponentOutline );
 

utils/idftools/vrml_layer.cpp

@@ -1355,7 +1355,7 @@ bool VRML_LAYER::Write3DIndices( std::ostream& aOutFile, bool aIncludePlatedHole
 }
 
 
-// add a triangular facet (triplet) to the ouptut index list
+// add a triangular facet (triplet) to the output index list
 bool VRML_LAYER::addTriplet( VERTEX_3D* p0, VERTEX_3D* p1, VERTEX_3D* p2 )
 {
     double  dx0 = p1->x - p0->x;

utils/idftools/vrml_layer.h

@@ -42,7 +42,7 @@
 #endif
 
 #include <wx/glcanvas.h>    // CALLBACK definition, needed on Windows
-                            // alse needed on OSX to define __DARWIN__
+                            // also needed on OSX to define __DARWIN__
 
 #ifdef __WXMAC__
 #  ifdef __DARWIN__
@@ -158,7 +158,7 @@ public:
 
     /**
      * Function GetArcParams
-     * retieves the parameters used in calculating the number of vertices in an arc
+     * retrieves the parameters used in calculating the number of vertices in an arc
      *
      * @param aMaxSeg is the maximum number of segments for an arc with cords of length aMinLength
      * @param aMinLength is the minimum length of cords in an arc
@@ -230,7 +230,7 @@ public:
      * @param aContour is an index to a contour as returned by NewContour()
      * @param aHoleFlag determines if the contour must be a hole
      *
-     * @return bool: true if the operation suceeded
+     * @return bool: true if the operation succeeded
      */
     bool EnsureWinding( int aContourID, bool aHoleFlag );
 

utils/kicad2step/pcb/3d_resolver.cpp

@@ -230,7 +230,7 @@ bool S3D_RESOLVER::createPathList( void )
         fndummy.Assign( mS->second, "" );
         wxString pathVal;
 
-        // ensure system ENV VARs supercede internally defined vars
+        // ensure system ENV VARs supersede internally defined vars
         if( wxGetEnv( mS->first, &pathVal ) && wxDirExists( pathVal ) )
             fndummy.Assign( pathVal, "" );
         else

utils/kicad2step/pcb/kicadmodule.h

@@ -63,7 +63,7 @@ private:
     std::string m_refdes;
     DOUBLET     m_position;
     double      m_rotation; // rotation (radians)
-    bool        m_virtual;  // true for a vitual (usually mechanical) component
+    bool        m_virtual;  // true for a virtual (usually mechanical) component
 
     std::vector< KICADPAD* >    m_pads;
     std::vector< KICADCURVE* >  m_curves;

utils/kicad2step/pcb/oce_utils.cpp

@@ -1418,7 +1418,7 @@ bool OUTLINE::MakeShape( TopoDS_Shape& aShape, double aThickness )
         return false;   // there is already data in the shape object
 
     if( m_curves.empty() )
-        return true;    // suceeded in doing nothing
+        return true;    // succeeded in doing nothing
 
     if( !m_closed )
         return false;   // the loop is not closed