address problems brought up in review

tests-pl/syntax_error.pl

@@ -1,6 +1,6 @@
 :- use_module(library(debug)).
 :- use_module(library(format)).
 
-missing_dot :- write('Not "." at the end of the line'), nl
+missing_dot :- write('No "." at the end of the line'), nl
 
-:- initialize(missing_dot).
+:- initialization(missing_dot).

tests/scryer/helper.rs

@@ -60,7 +60,7 @@ pub fn run_top_level_test_no_args<
     run_top_level_test_with_args::<&[&str], _, _, _, _>(&[], stdin, expected_stdout)
 }
 
-/// Test whether scryr-prolog
+/// Test whether scryer-prolog
 /// produces the expected output when called with the supplied
 /// arguments and fed the supplied input
 pub fn run_top_level_test_with_args<