Update compiler_cli.jou

tests/should_succeed/compiler_cli.jou

@@ -37,7 +37,7 @@ def main() -> int:
     # Output:
     # Output: Options:
     # Output:   -o OUTFILE       output an executable file, don't run the code
-    # Output:   -O0/-O1/-O2/-O3  set optimization level (0 = no optimization, 1 = default, 3 = runs fastest)"
+    # Output:   -O0/-O1/-O2/-O3  set optimization level (0 = no optimization, 1 = default, 3 = runs fastest)
     # Output:   -v / --verbose   display some progress information
     # Output:   -vv              display a lot of information about all compilation steps
     # Output:   --valgrind       use valgrind when running the code