very minor spelling correction

Signed-off-by: Prof. Ronald Moore <ronald.moore@h-da.de>

flexBison/cplusplus/Makefile

@@ -24,7 +24,7 @@ LEX=flex
 YACC=bison
 YFLAGS=-v -d
 # Where   -d is important to force creation of header files (*.hh)
-# but -v  is not so important. It forces creatoin of the file
+# but -v  is not so important. It forces creation of the file
 #         parser.output which is nice to have (but not 
 #         strictly necessary).