diff --git a/src/main/java/io/reactivex/Single.java b/src/main/java/io/reactivex/Single.java
index 16be31fd35..8b6e665e9b 100644
--- a/src/main/java/io/reactivex/Single.java
+++ b/src/main/java/io/reactivex/Single.java
@@ -1639,7 +1639,7 @@ public final Single<T> delay(long time, TimeUnit unit) {
      * <dd>you specify the {@link Scheduler} where the non-blocking wait and emission happens</dd>
      * </dl>
      *
-     * @param time the time amount to delay the signals
+     * @param time the time amount to delay the emission of the success signal
      * @param unit the time unit
      * @param scheduler the target scheduler to use fro the non-blocking wait and emission
      * @return the new Single instance