Fix a formatting issue in the README

cve-twitter-refs/README.md

@@ -28,9 +28,11 @@ What follows is a journal/log of what I've tried so far.
 First, let's get the list of CVEs that have Twitter references. That's easy
 and fun on the NVD's website:
 
-`curl --location
+```bash
+curl --location
 "https://services.nvd.nist.gov/rest/json/cves/2.0?keywordSearch=twitter.com%2F"
-> cves.json`
+> cves.json
+```
 
 Format that thing with `jq` so I can actually read it:
 
@@ -226,6 +228,8 @@ tweets were archived at all.
 * This kind of thing should be done
   for all references. Two is one and one is none, and all that.
 * I still don't know how to handle WARC files beyond a text editor.
+* This README has typoes that I'm not all that interested in fixing. It's part
+  of the charm of contemporaneous note-taking.
 
 # Thanks