diff --git a/core/java/android/animation/TypeEvaluator.java b/core/java/android/animation/TypeEvaluator.java
index 2640457c4b4a6..429c4356f10ad 100644
--- a/core/java/android/animation/TypeEvaluator.java
+++ b/core/java/android/animation/TypeEvaluator.java
@@ -29,7 +29,7 @@ public interface TypeEvaluator<T> {
     /**
      * This function returns the result of linearly interpolating the start and end values, with
      * <code>fraction</code> representing the proportion between the start and end values. The
-     * calculation is a simple parametric calculation: <code>result = x0 + t * (v1 - v0)</code>,
+     * calculation is a simple parametric calculation: <code>result = x0 + t * (x1 - x0)</code>,
      * where <code>x0</code> is <code>startValue</code>, <code>x1</code> is <code>endValue</code>,
      * and <code>t</code> is <code>fraction</code>.
      *