diff --git a/src/sound/PeakFile.cpp b/src/sound/PeakFile.cpp
index ef9ff65..7a89996 100644
--- a/src/sound/PeakFile.cpp
+++ b/src/sound/PeakFile.cpp
@@ -35,12 +35,12 @@ using std::cout;
 using std::cerr;
 using std::endl;
 
-//#define DEBUG_PEATDEFILE 1
-//#define DEBUG_PEATDEFILE_BRIEF 1
-//#define DEBUG_PEATDEFILE_CACHE 1
+//#define DEBUG_PEAKFILE 1
+//#define DEBUG_PEAKFILE_BRIEF 1
+//#define DEBUG_PEAKFILE_CACHE 1
 
-#ifdef DEBUG_PEATDEFILE
-#define DEBUG_PEATDEFILE_BRIEF 1
+#ifdef DEBUG_PEAKFILE
+#define DEBUG_PEAKFILE_BRIEF 1
 #endif
 
 namespace Rosegarden
@@ -94,7 +94,7 @@ PeakFile::open()
         parseHeader();
     } catch (BadSoundFileException s) {
 
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
         cerr << "PeakFile::open - EXCEPTION \"" << s.getMessage() << "\""
         << endl;
 #endif
@@ -216,7 +216,7 @@ PeakFile::write(unsigned short updatePercentage)
         if (!m_audioFile->open())
             return false;
     } catch (BadSoundFileException e) {
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
         std::cerr << "PeakFile::write - \"" << e.getMessage() << "\"" << std::endl;
 #endif
 
@@ -484,7 +484,7 @@ PeakFile::writePeaks(unsigned short /*updatePercentage*/,
         return ;
     m_keepProcessing = true;
 
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
 
     cout << "PeakFile::writePeaks - calculating peaks" << endl;
 #endif
@@ -624,7 +624,7 @@ PeakFile::writePeaks(unsigned short /*updatePercentage*/,
         m_numberOfPeaks++;
     }
 
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
     cout << "PeakFile::writePeaks - "
     << "completed peaks" << endl;
 #endif
@@ -642,7 +642,7 @@ PeakFile::getPreview(const RealTime &startTime,
                      int width,
                      bool showMinima)
 {
-#ifdef DEBUG_PEATDEFILE_BRIEF
+#ifdef DEBUG_PEAKFILE_BRIEF
     std::cout << "PeakFile::getPreview - "
     << "startTime = " << startTime
     << ", endTime = " << endTime
@@ -658,7 +658,7 @@ PeakFile::getPreview(const RealTime &startTime,
     // Regenerate cache on these conditions
     //
     if (!m_peakCache.length()) {
-#ifdef DEBUG_PEATDEFILE_CACHE
+#ifdef DEBUG_PEAKFILE_CACHE
         std::cerr << "PeakFile::getPreview - no peak cache" << std::endl;
 #endif
 
@@ -675,13 +675,13 @@ PeakFile::getPreview(const RealTime &startTime,
                 << std::endl;
             }
 
-#ifdef DEBUG_PEATDEFILE_CACHE
+#ifdef DEBUG_PEAKFILE_CACHE
             std::cout << "PeakFile::getPreview - generated peak cache - "
             << "size = " << m_peakCache.length() << std::endl;
 #endif
 
         } else {
-#ifdef DEBUG_PEATDEFILE_CACHE
+#ifdef DEBUG_PEAKFILE_CACHE
             std::cout << "PeakFile::getPreview - file size = " << getSize()
             << ", not generating cache" << std::endl;
 #endif
@@ -694,13 +694,13 @@ PeakFile::getPreview(const RealTime &startTime,
     //
     if (startTime == m_lastPreviewStartTime && endTime == m_lastPreviewEndTime
             && width == m_lastPreviewWidth && showMinima == m_lastPreviewShowMinima) {
-#ifdef DEBUG_PEATDEFILE_CACHE
+#ifdef DEBUG_PEAKFILE_CACHE
         std::cout << "PeakFile::getPreview - hit last preview cache" << std::endl;
 #endif
 
         return m_lastPreviewCache;
     } else {
-#ifdef DEBUG_PEATDEFILE_CACHE
+#ifdef DEBUG_PEAKFILE_CACHE
         std::cout << "PeakFile::getPreview - last preview " << m_lastPreviewStartTime
         << " -> " << m_lastPreviewEndTime << ", w " << m_lastPreviewWidth << "; this " << startTime << " -> " << endTime << ", w " << width << std::endl;
 #endif
@@ -724,7 +724,7 @@ PeakFile::getPreview(const RealTime &startTime,
     std::string peakData;
     int peakNumber;
 
-#ifdef DEBUG_PEATDEFILE_BRIEF
+#ifdef DEBUG_PEAKFILE_BRIEF
 
     std::cout << "PeakFile::getPreview - getting preview for \""
     << m_audioFile->getFilename() << "\"" << endl;
@@ -743,7 +743,7 @@ PeakFile::getPreview(const RealTime &startTime,
         break;
 
     default:
-#ifdef DEBUG_PEATDEFILE_BRIEF
+#ifdef DEBUG_PEAKFILE_BRIEF
 
         std::cout << "PeakFile::getPreview - "
         << "unsupported peak length format (" << m_format << ")"
@@ -766,14 +766,14 @@ PeakFile::getPreview(const RealTime &startTime,
         if (!m_peakCache.length()) {
 
             if (scanToPeak(peakNumber) == false) {
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
                 std::cout << "PeakFile::getPreview: scanToPeak(" << peakNumber << ") failed" << std::endl;
 #endif
 
                 m_lastPreviewCache.push_back(0.0f);
             }
         }
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
         std::cout << "PeakFile::getPreview: step is " << step << ", format * pointsPerValue * chans is " << (m_format * m_pointsPerValue * m_channels) << std::endl;
         std::cout << "i = " << i << ", peakNumber = " << peakNumber << ", nextPeakNumber = " << nextPeakNumber << std::endl;
 #endif
@@ -797,14 +797,14 @@ PeakFile::getPreview(const RealTime &startTime,
                         // Problem with the get - probably an EOF
                         // return the results so far.
                         //
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
                         std::cout << "PeakFile::getPreview - \"" << e.getMessage() << "\"\n"
                         << endl;
 #endif
 
                         goto done;
                     }
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
                     std::cout << "PeakFile::getPreview - "
                     << "read from file" << std::endl;
 #endif
@@ -820,7 +820,7 @@ PeakFile::getPreview(const RealTime &startTime,
                     //
                     if (charNum + charLength <= m_peakCache.length()) {
                         peakData = m_peakCache.substr(charNum, charLength);
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
 
                         std::cout << "PeakFile::getPreview - "
                         << "hit peakCache" << std::endl;
@@ -835,7 +835,7 @@ PeakFile::getPreview(const RealTime &startTime,
                     // We didn't get the whole peak block - return what
                     // we've got so far
                     //
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
                     std::cout << "PeakFile::getPreview - "
                     << "failed to get complete peak block"
                     << endl;
@@ -852,7 +852,7 @@ PeakFile::getPreview(const RealTime &startTime,
                     inValue -= (1 << (m_format * 8));
                 }
 
-#ifdef DEBUG_PEATDEFILE
+#ifdef DEBUG_PEAKFILE
                 std::cout << "found potential hivalue " << inValue << std::endl;
 #endif
 
@@ -883,7 +883,7 @@ PeakFile::getPreview(const RealTime &startTime,
 
             float value = hiValues[ch] / divisor;
 
-#ifdef DEBUG_PEATDEFILE_BRIEF
+#ifdef DEBUG_PEAKFILE_BRIEF
 
             std::cout << "VALUE = " << hiValues[ch] / divisor << std::endl;
 #endif
@@ -912,7 +912,7 @@ done:
     m_lastPreviewWidth = width;
     m_lastPreviewShowMinima = showMinima;
 
-#ifdef DEBUG_PEATDEFILE_BRIEF
+#ifdef DEBUG_PEAKFILE_BRIEF
 
     std::cout << "Returning " << m_lastPreviewCache.size() << " items" << std::endl;
 #endif
diff --git a/src/sound/PeakFile.h b/src/sound/PeakFile.h
index 00260fb..86ecc56 100644
--- a/src/sound/PeakFile.h
+++ b/src/sound/PeakFile.h
@@ -26,8 +26,8 @@
 #include "SoundFile.h"
 #include "RealTime.h"
 
-#ifndef _PEATDEFILE_H_
-#define _PEATDEFILE_H_
+#ifndef _PEAKFILE_H_
+#define _PEAKFILE_H_
 
 // A PeakFile is generated to the BWF Supplement 3 Peak Envelope Chunk
 // format as defined here:
@@ -192,6 +192,6 @@ protected:
 }
 
 
-#endif // _PEATDEFILE_H_
+#endif // _PEAKFILE_H_
 
 
diff --git a/src/sound/PeakFileManager.cpp b/src/sound/PeakFileManager.cpp
index 0469f85..e860e00 100644
--- a/src/sound/PeakFileManager.cpp
+++ b/src/sound/PeakFileManager.cpp
@@ -132,7 +132,7 @@ PeakFileManager::hasValidPeaks(AudioFile *audioFile)
         PeakFile *peakFile = getPeakFile(audioFile);
 
         if (peakFile == 0) {
-#ifdef DEBUG_PEATDEFILEMANAGER
+#ifdef DEBUG_PEAKFILEMANAGER
             std::cerr << "PeakFileManager::hasValidPeaks - no peak file found"
             << std::endl;
 #endif
@@ -150,7 +150,7 @@ PeakFileManager::hasValidPeaks(AudioFile *audioFile)
     } else if (audioFile->getType() == BWF) {
         // check internal peak chunk
     } else {
-#ifdef DEBUG_PEATDEFILEMANAGER
+#ifdef DEBUG_PEAKFILEMANAGER
         std::cout << "PeakFileManager::hasValidPeaks - unsupported file type"
         << std::endl;
 #endif
@@ -170,7 +170,7 @@ void
 PeakFileManager::generatePeaks(AudioFile *audioFile,
                                unsigned short updatePercentage)
 {
-#ifdef DEBUG_PEATDEFILEMANAGER
+#ifdef DEBUG_PEAKFILEMANAGER
     std::cout << "PeakFileManager::generatePeaks - generating peaks for \""
     << audioFile->getFilename() << "\"" << std::endl;
 #endif
@@ -199,7 +199,7 @@ PeakFileManager::generatePeaks(AudioFile *audioFile,
     } else if (audioFile->getType() == BWF) {
         // write the file out and incorporate the peak chunk
     } else {
-#ifdef DEBUG_PEATDEFILEMANAGER
+#ifdef DEBUG_PEAKFILEMANAGER
         std::cerr << "PeakFileManager::generatePeaks - unsupported file type"
         << std::endl;
 #endif
@@ -237,7 +237,7 @@ PeakFileManager::getPreview(AudioFile *audioFile,
                                       width,
                                       showMinima);
         } catch (SoundFile::BadSoundFileException e) {
-#ifdef DEBUG_PEATDEFILEMANAGER
+#ifdef DEBUG_PEAKFILEMANAGER
             std::cout << "PeakFileManager::getPreview "
             << "\"" << e << "\"" << std::endl;
 #else
@@ -250,7 +250,7 @@ PeakFileManager::getPreview(AudioFile *audioFile,
     } else if (audioFile->getType() == BWF) {
         // write the file out and incorporate the peak chunk
     }
-#ifdef DEBUG_PEATDEFILEMANAGER
+#ifdef DEBUG_PEAKFILEMANAGER
     else {
         std::cerr << "PeakFileManager::getPreview - unsupported file type"
         << std::endl;
@@ -306,7 +306,7 @@ PeakFileManager::stopPreview()
         TQFile file(fileName);
         bool removed = file.remove();
 
-#ifdef DEBUG_PEATDEFILEMANAGER
+#ifdef DEBUG_PEAKFILEMANAGER
 
         if (removed) {
             std::cout << "PeakFileManager::stopPreview() - removed preview"
diff --git a/src/sound/PeakFileManager.h b/src/sound/PeakFileManager.h
index b909495..f608bc8 100644
--- a/src/sound/PeakFileManager.h
+++ b/src/sound/PeakFileManager.h
@@ -27,8 +27,8 @@
 //
 //
 
-#ifndef _PEATDEFILEMANAGER_H_
-#define _PEATDEFILEMANAGER_H_
+#ifndef _PEAKFILEMANAGER_H_
+#define _PEAKFILEMANAGER_H_
 
 #include <string>
 #include <iostream>
@@ -158,6 +158,6 @@ protected:
 }
 
 
-#endif // _PEATDEFILEMANAGER_H_
+#endif // _PEAKFILEMANAGER_H_