Fixed typo then->than.

doc/tutorial_noderelations.rst

@@ -282,7 +282,7 @@ Although it is possible to run the compiler this way, it is highly discouraged.
     ${PROJECT_SOURCE_DIR}/tools/schema/namespace0/${GENERATE_NAMESPACE0_FILE} 
     ${PROJECT_BINARY_DIR}/src_generated/ua_namespaceinit_generated
 
-Albeit a bit more complicated then the previous description, you can see that a the namespace 0 XML file is loaded in the line before the last, and that the output will be in ``ua_namespaceinit_generated.c/h``. In order to take advantage of the namespace compiler, we will simply append our nodeset to this call and have cmake care for the rest. Modify the CMakeLists.txt line above to contain the relative path to your own XML file like this::
+Albeit a bit more complicated than the previous description, you can see that a the namespace 0 XML file is loaded in the line before the last, and that the output will be in ``ua_namespaceinit_generated.c/h``. In order to take advantage of the namespace compiler, we will simply append our nodeset to this call and have cmake care for the rest. Modify the CMakeLists.txt line above to contain the relative path to your own XML file like this::
 
   COMMAND ${PYTHON_EXECUTABLE} ${PROJECT_SOURCE_DIR}/tools/pyUANamespace/generate_open62541CCode.py 
     -i ${PROJECT_SOURCE_DIR}/tools/pyUANamespace/NodeID_AssumeExternal.txt