doc: fix typo

doc/dynare.texi

@@ -827,7 +827,7 @@ call to Dynare's preprocessor, and  can be used to programatically transform the
 that will be read by the preprocessor. The script @file{@var{FILENAME}_post_dynare_preprocessor_hook.m}
 is executed just after the call to Dynare's preprocessor, and can be used to programatically
 transform the files generated by Dynare's preprocessor before actual computations start. The
-pre and/or post dynare preprocessor kooks are executed if and only if the aforementioned scripts
+pre and/or post dynare preprocessor hooks are executed if and only if the aforementioned scripts
 are detected in the same folder as the the model file, @file{@var{FILENAME}.mod}.