diff --git a/taglib/mpeg/id3v2/id3v2extendedheader.h b/taglib/mpeg/id3v2/id3v2extendedheader.h
index d7227e9d..d60200e7 100644
--- a/taglib/mpeg/id3v2/id3v2extendedheader.h
+++ b/taglib/mpeg/id3v2/id3v2extendedheader.h
@@ -38,7 +38,7 @@ namespace TagLib {
 
     /*!
      * This class implements ID3v2 extended headers.  It attempts to follow,
-     * both  semantically and programatically, the structure specified in
+     * both semantically and programatically, the structure specified in
      * the ID3v2 standard.  The API is based on the properties of ID3v2 extended
      * headers specified there.  If any of the terms used in this documentation
      * are unclear please check the specification in the linked section.
diff --git a/taglib/riff/wav/infotag.h b/taglib/riff/wav/infotag.h
index c99b59ac..440e7b93 100644
--- a/taglib/riff/wav/infotag.h
+++ b/taglib/riff/wav/infotag.h
@@ -89,12 +89,12 @@ namespace TagLib {
     {
     public:
       /*!
-       * Constructs an empty Info tag.
+       * Constructs an empty INFO tag.
        */
       Tag();
 
       /*!
-       * Constructs an Info tag read from \a data which is contents of "LIST" chunk.
+       * Constructs an INFO tag read from \a data which is contents of "LIST" chunk.
        */
       Tag(const ByteVector &data);
 
diff --git a/taglib/riff/wav/wavfile.h b/taglib/riff/wav/wavfile.h
index 99bfda17..129d9537 100644
--- a/taglib/riff/wav/wavfile.h
+++ b/taglib/riff/wav/wavfile.h
@@ -63,7 +63,7 @@ namespace TagLib {
           NoTags  = 0x0000,
           //! Matches ID3v2 tags.
           ID3v2   = 0x0001,
-          //! Matches Info tags.
+          //! Matches INFO tags.
           Info    = 0x0002,
           //! Matches all tag types.
           AllTags = 0xffff