More corrections in comments

src/effects/lv2/lv2_external_ui.h

@@ -40,7 +40,7 @@ extern "C" {
  */
 typedef struct _LV2_External_UI_Widget {
   /**
-   * Host calls this function regularily. UI library implementing the
+   * Host calls this function regularly. UI library implementing the
    * callback may do IPC or redraw the UI.
    *
    * @param _this_ the UI context

src/import/Import.cpp

@@ -27,7 +27,7 @@ It's defined in Import.h
 *//***************************************************************//**
 
 \class Importer
-\brief Class which actualy imports the auido, using functions defined
+\brief Class which actually imports the auido, using functions defined
 in ImportPCM.cpp, ImportMP3.cpp, ImportOGG.cpp, ImportRawData.cpp,
 and ImportLOF.cpp.
 

src/toolbars/SelectionBar.cpp

@@ -246,7 +246,7 @@ void SelectionBar::Populate()
       mainSizer->Add(mChoice, 0, wxALIGN_TOP | wxEXPAND | wxRIGHT, 6);
    }
 
-   // Button row, (mostly time controls)
+   // Bottom row, (mostly time controls)
    mRateBox = safenew wxComboBox(this, RateID,
                              wxT(""),
                              wxDefaultPosition, wxSize(80, -1));