[subset] Minor
diff --git a/Lib/fontTools/subset.py b/Lib/fontTools/subset.py
index c3eb252..05ca232 100644
--- a/Lib/fontTools/subset.py
+++ b/Lib/fontTools/subset.py
@@ -1022,7 +1022,7 @@
@_add_method(ttLib.getTableClass('GSUB'),
ttLib.getTableClass('GPOS'))
def subset_lookups(self, lookup_indices):
- """Retrains specified lookups, then removes empty features, language
+ """Retains specified lookups, then removes empty features, language
systems, and scripts."""
if self.table.LookupList:
self.table.LookupList.subset_lookups(lookup_indices)