diff --git a/CHANGES b/CHANGES
index 9d110cad2..198230775 100644
--- a/CHANGES
+++ b/CHANGES
@@ -7853,7 +7853,7 @@ Version 1.3.28 (February 12, 2006)
 
 12/10/2005: mmatus 
 	  [UTF]
-          - Fix unneccessary calls to SWIG_TypeQuery for 'char *'
+          - Fix unnecessary calls to SWIG_TypeQuery for 'char *'
 	    and 'wchar_t *', problem found by Clay Culver while
 	    profiling the PyOgre project.
 
@@ -23576,7 +23576,7 @@ Version 1.1b5 (March 12, 1997)
 2/23/97 : Modified Python module to be better behaved under Windows
 
             -  Module initialization function is now properly exported.
-               It should not be neccessary to explicitly export this function
+               It should not be necessary to explicitly export this function
                yourself.
 
             -  Bizarre compilation problems when compiling the SWIG wrapper
diff --git a/Doc/Manual/Java.html b/Doc/Manual/Java.html
index 83d14ed64..dae6edc01 100644
--- a/Doc/Manual/Java.html
+++ b/Doc/Manual/Java.html
@@ -3769,7 +3769,7 @@ may need to be attached to specific methods.
 of the "directorthrows" typemaps.  In this example, a
 generic "directorthrows" typemap is appropriate for all three exceptions - all
 take single string constructors.  If the exceptions had different constructors,
-it would be neccessary to have separate typemaps for each exception type.
+it would be necessary to have separate typemaps for each exception type.
 
 
 <!-- All the DEFINE_ and DECLARE_EXCEPTIONS CAN BE OMITTED to make
diff --git a/Source/Modules/python.cxx b/Source/Modules/python.cxx
index 58f5e52fd..4c83be53c 100644
--- a/Source/Modules/python.cxx
+++ b/Source/Modules/python.cxx
@@ -1591,7 +1591,7 @@ public:
   /* ------------------------------------------------------------
    * docstring()
    *
-   * Get the docstring text, stripping off {} if neccessary,
+   * Get the docstring text, stripping off {} if necessary,
    * and enclose in triple double quotes.  If autodoc is also
    * set then it will build a combined docstring.
    * ------------------------------------------------------------ */
@@ -2272,7 +2272,7 @@ public:
   /* ------------------------------------------------------------
    * pythonprepend()
    *
-   * Get the %pythonprepend code, stripping off {} if neccessary
+   * Get the %pythonprepend code, stripping off {} if necessary
    * ------------------------------------------------------------ */
 
   String *pythonprepend(Node *n) {
@@ -2301,7 +2301,7 @@ public:
   /* ------------------------------------------------------------
    * pythonappend()
    *
-   * Get the %pythonappend code, stripping off {} if neccessary
+   * Get the %pythonappend code, stripping off {} if necessary
    * ------------------------------------------------------------ */
 
   String *pythonappend(Node *n) {
diff --git a/Source/Modules/ruby.cxx b/Source/Modules/ruby.cxx
index 216d4ef27..62a6d960c 100644
--- a/Source/Modules/ruby.cxx
+++ b/Source/Modules/ruby.cxx
@@ -232,7 +232,7 @@ private:
 
   /* ------------------------------------------------------------
    * docstring()
-   *    Get the docstring text, stripping off {} if neccessary,
+   *    Get the docstring text, stripping off {} if necessary,
    *    and enclose in triple double quotes.  If autodoc is also
    *    set then it will build a combined docstring.
    * ------------------------------------------------------------ */