diff --git a/kmcomposewin.cpp b/kmcomposewin.cpp
index 3fa453dc7..6bdeeafb5 100644
--- a/kmcomposewin.cpp
+++ b/kmcomposewin.cpp
@@ -735,11 +735,22 @@ void KMComposeWin::rethinkFields(bool fromSlot)
   rethinkHeaderLine(showHeaders,HDR_TO, row, i18n("To:"),
                     mLblTo, mEdtTo, mBtnTo);
   if (!fromSlot) mCcAction->setChecked(abs(mShowHeaders)&HDR_CC);
-  rethinkHeaderLine(showHeaders,HDR_CC, row, i18n("&CC:"),
-                    mLblCc, mEdtCc, mBtnCc);
+  rethinkHeaderLine(showHeaders,HDR_CC, row, i18n("&Copy To (CC):"),
+                    mLblCc, mEdtCc, mBtnCc,
+                    i18n("<qt>The email addresses you put "
+                         "in this field receives a copy of the email. "
+                         "Technically it is the same thing as putting all the "
+                         "addresses in the <b>To:</b> field but differs in "
+                         "that it usually symbolises the receiver of the "
+                         "Carbon Copy (CC) is a listener, not the main "
+                         "recipient.</qt>"));
   if (!fromSlot) mBccAction->setChecked(abs(mShowHeaders)&HDR_BCC);
-  rethinkHeaderLine(showHeaders,HDR_BCC, row, i18n("&BCC:"),
-                    mLblBcc, mEdtBcc, mBtnBcc);
+  rethinkHeaderLine(showHeaders,HDR_BCC, row, i18n("&Blind Copy To (BCC):"),
+                    mLblBcc, mEdtBcc, mBtnBcc,
+                    i18n("<qt>Essentially the same thing "
+                         "as the <b>Copy To:</b> field but differs in that "
+                         "all other recipients do not see who receives a "
+                         "blind copy.</qt>"));
   if (!fromSlot) mSubjectAction->setChecked(abs(mShowHeaders)&HDR_SUBJECT);
   rethinkHeaderLine(showHeaders,HDR_SUBJECT, row, i18n("S&ubject:"),
                     mLblSubject, mEdtSubject);
@@ -774,11 +785,14 @@ void KMComposeWin::rethinkFields(bool fromSlot)
 //-----------------------------------------------------------------------------
 void KMComposeWin::rethinkHeaderLine(int aValue, int aMask, int& aRow,
                                      const QString &aLabelStr, QLabel* aLbl,
-                                     QLineEdit* aEdt, QPushButton* aBtn)
+                                     QLineEdit* aEdt, QPushButton* aBtn,
+                                     const QString &toolTip )
 {
   if (aValue & aMask)
   {
     aLbl->setText(aLabelStr);
+    if ( !toolTip.isEmpty() )
+      QToolTip::add( aLbl, toolTip );
     aLbl->adjustSize();
     aLbl->resize((int)aLbl->sizeHint().width(),aLbl->sizeHint().height() + 6);
     aLbl->setMinimumSize(aLbl->size());
diff --git a/kmcomposewin.h b/kmcomposewin.h
index a0b7232e7..3f5e640cc 100644
--- a/kmcomposewin.h
+++ b/kmcomposewin.h
@@ -559,12 +559,13 @@ protected:
   /**
    * Show or hide header lines
    */
-  void rethinkHeaderLine(int value, int mask, int& row,
-				 const QString& labelStr, QLabel* lbl,
-				 QLineEdit* edt, QPushButton* btn=0);
-  void rethinkHeaderLine(int value, int mask, int& row,
-				 const QString& labelStr, QLabel* lbl,
-				 QComboBox* cbx, QCheckBox *chk);
+  void rethinkHeaderLine( int value, int mask, int& row,
+                          const QString& labelStr, QLabel* lbl,
+                          QLineEdit* edt, QPushButton* btn = 0,
+                          const QString& toolTip = QString::null );
+  void rethinkHeaderLine( int value, int mask, int& row,
+                          const QString& labelStr, QLabel* lbl,
+                          QComboBox* cbx, QCheckBox *chk );
 
   /**
    * Initialization methods