diff --git a/google-cloud-storage/src/main/java/com/google/cloud/storage/BlobInfo.java b/google-cloud-storage/src/main/java/com/google/cloud/storage/BlobInfo.java
index 652636ac5..f21e02153 100644
--- a/google-cloud-storage/src/main/java/com/google/cloud/storage/BlobInfo.java
+++ b/google-cloud-storage/src/main/java/com/google/cloud/storage/BlobInfo.java
@@ -795,17 +795,26 @@ public Long getMetageneration() {
     return metageneration;
   }
 
-  /** Returns the deletion time of the blob. */
+  /**
+   * Returns the deletion time of the blob expressed as the number of milliseconds since the Unix
+   * epoch.
+   */
   public Long getDeleteTime() {
     return deleteTime;
   }
 
-  /** Returns the last modification time of the blob's metadata. */
+  /**
+   * Returns the last modification time of the blob's metadata expressed as the number of
+   * milliseconds since the Unix epoch.
+   */
   public Long getUpdateTime() {
     return updateTime;
   }
 
-  /** Returns the creation time of the blob. */
+  /**
+   * Returns the creation time of the blob expressed as the number of milliseconds since the Unix
+   * epoch.
+   */
   public Long getCreateTime() {
     return createTime;
   }