working on docs

samples/250_Functions.noja

@@ -80,10 +80,10 @@ print(p, ' * ', q, ' = ', r, '\n');
 # moment).
 #
 # The only exception is made for the "built in" variables, which are 
-# provided by the runtime of the language and can't be modified by the
-# user. The print function is one of these variables. One may override
-# these variables but the effect only lasts for the lifetame of the
-# context local to the assignment.
+# provided by the runtime of the language, are accessible everywhere and
+# can't be modified by the user. The print function is one of these 
+# variables. One may override these variables but the effect only has
+# effect within that context.
 
 # Overwrite the print variable inside the global scope..
 print = 5;