update docs

2 files changed, 6 insertions, 5 deletions

diff --git a/skate/verify.go b/skate/verify.go
index 18b2f4e..842bedc 100644
--- a/skate/verify.go
+++ b/skate/verify.go
@@ -636,10 +636,11 @@ func doiPrefix(s string) string {
 
 // unifyDigits replaces all digit groups with a hopefully rare placeholder,
 // e.g. "<NUM>"; This is for discovering very similar, yet different
-// publications, where e.g. titles differ only by a single char representing a
-// year. Examples are yearly publications, e.g. "World Health Report 2020",
-// where any plain similarity score would yield a high number, yet publications
-// are obviously not the same.
+// publications, where e.g. titles differ only by a single or few chars
+// representing a year. Examples are yearly publications, e.g. "World Health
+// Report 2020", "World Health Report 2021", ...  where any plain similarity
+// score would yield a high number, yet publications are obviously not the
+// same.
 func unifyDigits(s string) string {
 	return PatDigits.ReplaceAllString(s, "<NUM>")
 }
diff --git a/skate/xio/util.go b/skate/xio/util.go
index de3afb4..9967540 100644
--- a/skate/xio/util.go
+++ b/skate/xio/util.go
@@ -19,7 +19,7 @@ func OpenTwo(f1, f2 string) (g1, g2 *os.File, err error) {
 	return g1, g2, nil
 }
 
-// TabsToMapFile turns columns from a file into a map.
+// TabsToMapFile turns two columns from a tabular file into a map.
 func TabsToMapFile(filename, sep string, kCol, vCol int) (map[string]string, error) {
 	f, err := os.Open(filename)
 	if err != nil {