Merge pull request #1189 from alliance-genome/SCRUM-3222

SCRUM-3222: expand help paragraph for rank

apps/main-app/src/components/paralogy/rankHelp.js

@@ -5,12 +5,17 @@ export default function RankHelp() {
       <p>
         Rank is calculated via the highest percent similarity within 
         four quartiles of alignment length (determined by using four 25% 
-        quartiles derived from the longest paralog alignment length).
-
+        quartiles derived from the longest paralog alignment length). 
+      </p>
+      <p>
         Paralogs with the longest alignment and greatest similarity 
-        percentage are ranked highest and DIOPT algorithm matches are
-        used as secondary ranking criteria in cases of equal similarity
-        within alignment length quartiles. Multiple entries can share the same rank.
+        percentage are ranked highest. Identity is used as a secondary 
+        criteria for paralogs with identical alignment and similarity. 
+      </p>
+      <p>
+        DIOPT algorithm matches are used as a tertiary ranking criteria 
+        in cases of equal similarity and identity within alignment 
+        length quartiles. Multiple entries can share the same rank.
       </p>
     </div>);
   }