Fix typo

test/README.md

@@ -3,13 +3,13 @@ Tests
 
 Running tests is handled by test/runtests:
 
-    $ test/tuntest [filter]
+    $ test/runtest [filter]
 
 *filter* is a regular expression to be applied to sub-test name, running
 only the matching ones.
 
 Tests can be written in any scripting language--they just need to be
-put into tests/scripts directory, equipped with proper shebang line and
+put into test/scripts directory, equipped with proper shebang line and
 marked as executable.