Edit README column guide some more

README.md

@@ -13,7 +13,7 @@ Curated and augmented legislative speech data from the National Constituent Asse
 * `PbTagId`: location id used throughout the original xml, useful for old FRDA web interface or working with original xml files.  The speech falls after this PbTagId and before the next, in AP page order.
 * `PageNum`: page of the AP on which the speech occurs.
 * `SpeakerStr`: speaker string provided by the FRDA xml.
-* `Surname` and `Name`: identities disambiguated from all the SpeakerStrs.  These are the ones used in the PNAS analysis.  Note: although a lot of manual attention produced these attributions, they are not guaranteed 100% accurate!  There was significant noise in the SpeakerStr data - see the [Supplementary Material](https://www.pnas.org/content/suppl/2018/04/16/1717729115.DCSupplemental), _Preparing and characterizing speech data_, for more detail. "nomatch" indicates the speech's `SpeakerStr` was not assigned to a disambiguated entity.
+* `Surname` and `Name`: identities disambiguated from all the SpeakerStrs.  These are the ones used in the PNAS analysis.  Note: although a lot of manual attention produced these attributions, they are not guaranteed 100% accurate!  There was significant noise in the SpeakerStr data - see the [Supplementary Material](https://www.pnas.org/content/suppl/2018/04/16/1717729115.DCSupplemental), _Preparing and characterizing speech data_ section, for more detail. "nomatch" indicates the speech's `SpeakerStr` was not assigned to a disambiguated entity.
 * `Affiliation`: "g" (gauche), "d" (droite), "nonpos" (matched identity isn't positively identified as gauche or droite according to our historian co-author), or "nomatch" (no identity match was made to `SpeakerStr`
 * `Estate`, 1st/2nd/3rd estate, or "nonpos"/"nomatch" as for `Affiliation`.
 * `Club`: an assortment of political clubs to which individuals belonged, or "nonpos"/"nomatch".