diff --git a/rev/08/07.md b/rev/08/07.md
index ac5e86f3cc..6d7dffe565 100644
--- a/rev/08/07.md
+++ b/rev/08/07.md
@@ -6,3 +6,6 @@ This can be stated in active form. Alternate translation: "The angel threw the h
 
 This can be stated in active form. Alternate translation: "it burned up a third of the earth, a third of the trees, and all the green grass" (See: [[rc://en/ta/man/translate/figs-activepassive]])
 
+# a third
+"A third" is a fraction. (See: [[rc://en/ta/man/translate/translate-fraction]])
+