fix typos CRD-575

Author: beejjorgensen

ls8/README.md

@@ -89,13 +89,13 @@ the `CPU` object.
 `ram_read()` should accept the address to read and return the value stored
 there.
 
-`raw_write()` should accept a value to write, and the address to write it to.
+`ram_write()` should accept a value to write, and the address to write it to.
 
 > Inside the CPU, there are two internal registers used for memory operations:
 > the _Memory Address Register_ (MAR) and the _Memory Data Register_ (MDR). The
 > MAR contains the address that is being read or written to. The MDR contains
 > the data that was read or the data to write. You don't need to add the MAR or
-> MDR to your `CPU` class, but they would make handy paramter names for
+> MDR to your `CPU` class, but they would make handy parameter names for
 > `ram_read()` and `ram_write()`, if you wanted.
 
 We'll make use of these helper function later.