diff --git a/libs/qwt/qwt_text.cpp b/libs/qwt/qwt_text.cpp
index 7e67ceaaac8f581b3fab28bc384c7dba30c56a6e..b93798a4922ebc94254088e185344be401132ab6 100644
--- a/libs/qwt/qwt_text.cpp
+++ b/libs/qwt/qwt_text.cpp
@@ -529,7 +529,7 @@ double QwtText::heightForWidth( double width, const QFont &defaultFont ) const
    Returns the size, that is needed to render text
 
    \param defaultFont Font of the text
-   \return Calculated size
+   \return Caluclated size
 */
 QSizeF QwtText::textSize( const QFont &defaultFont ) const
 {
@@ -637,7 +637,7 @@ void QwtText::draw( QPainter *painter, const QRectF &rect ) const
    returns true. If there is none QwtPlainTextEngine is returned.
 
    If no text engine is registered for the format QwtPlainTextEngine
-   is returned.
+   is returnd.
 
    \param text Text, needed in case of AutoText
    \param format Text format
diff --git a/libs/qwt/qwt_text_engine.cpp b/libs/qwt/qwt_text_engine.cpp
index dab5cd587ddf1f7936d401cc92a4a16090dc99c4..5991588a6a091d0015393ef4dce7084808a22f9b 100644
--- a/libs/qwt/qwt_text_engine.cpp
+++ b/libs/qwt/qwt_text_engine.cpp
@@ -181,7 +181,7 @@ double QwtPlainTextEngine::heightForWidth( const QFont& font, int flags,
   \param flags Bitwise OR of the flags used like in QPainter::drawText
   \param text Text to be rendered
 
-  \return Calculated size
+  \return Caluclated size
 */
 QSizeF QwtPlainTextEngine::textSize( const QFont &font,
     int flags, const QString& text ) const
@@ -270,7 +270,7 @@ double QwtRichTextEngine::heightForWidth( const QFont& font, int flags,
   \param flags Bitwise OR of the flags used like in QPainter::drawText()
   \param text Text to be rendered
 
-  \return Calculated size
+  \return Caluclated size
 */
 
 QSizeF QwtRichTextEngine::textSize( const QFont &font,