diff --git a/Kernel_d/doc/Kernel_d/Concepts/Matrix.h b/Kernel_d/doc/Kernel_d/Concepts/Matrix.h
index f2daec7a033..f5d1b315bcc 100644
--- a/Kernel_d/doc/Kernel_d/Concepts/Matrix.h
+++ b/Kernel_d/doc/Kernel_d/Concepts/Matrix.h
@@ -272,7 +272,7 @@ iterator begin();
 an iterator pointing beyond the last entry
 of \f$ M\f$.
 */
-terator end();
+iterator end();
 
 /*!
 an iterator pointing to the first entry