diff --git a/kdevplatform/language/interfaces/iastcontainer.h b/kdevplatform/language/interfaces/iastcontainer.h
index b9e5fca719..71c76d3fd1 100644
--- a/kdevplatform/language/interfaces/iastcontainer.h
+++ b/kdevplatform/language/interfaces/iastcontainer.h
@@ -1,48 +1,48 @@
 /*
    Copyright 2009 Ramón Zarazúa <killerfox512+kde@gmail.com>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License version 2 as published by the Free Software Foundation.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.*/
 
 #ifndef KDEVPLATFORM_IASTCONTAINER_H
 #define KDEVPLATFORM_IASTCONTAINER_H
 
 #include <language/languageexport.h>
 
 #include <QExplicitlySharedDataPointer>
 
 namespace KDevelop {
 class COMPILE_ERROR_Ast_Top_Node_Was_Not_Defined;
 
 /**
  * \brief Represents A single parse session that created a language-specific AST for a single translation unit
  *
  * This class is mainly just used as a tag to keep pointers to an AST of a translation unit(file)
  * in a KDevelop::TopDUContext, and passed over to Refactoring plugins so they can manipulate
  * their language-specific AstChangeSets.
  */
 class KDEVPLATFORMLANGUAGE_EXPORT IAstContainer
     : public QSharedData
 {
 public:
     virtual ~IAstContainer();
     using Ptr = QExplicitlySharedDataPointer<IAstContainer>;
 
-    /// Derived classes must redifine this typedef for CodeGenerator to work
+    /// Derived classes must redefine this typedef for CodeGenerator to work
     /// with this AST
     using TopAstNode = COMPILE_ERROR_Ast_Top_Node_Was_Not_Defined;
 };
 }
 
 #endif // KDEVPLATFORM_IASTCONTAINER_H