diff --git a/products/jbrowse-desktop/src/OpenSequenceDialog.tsx b/products/jbrowse-desktop/src/OpenSequenceDialog.tsx
index d173737eff..c2aa0cb147 100644
--- a/products/jbrowse-desktop/src/OpenSequenceDialog.tsx
+++ b/products/jbrowse-desktop/src/OpenSequenceDialog.tsx
@@ -241,7 +241,7 @@ const OpenSequenceDialog = ({
         {showAdvanced ? (
           <Paper className={classes.paper}>
             <FileSelector
-              name="Add refName aliases e.g. remap chr1 and 1 to same entity. Can tab separated file of ref names e.g. .chromAliases files from UCSC"
+              name="Add refName aliases e.g. remap chr1 and 1 to same entity. This is a tab separated file of ref names, in the same format as .chromAliases files from UCSC"
               location={refNameAliasesLocation}
               setLocation={setRefNameAliasesLocation}
             />