diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtil.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtil.java
index d1b1382c33de..e40a74f49770 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtil.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/HBaseTestingUtil.java
@@ -2293,8 +2293,7 @@ public HRegionServer getRSForFirstRegionInTable(TableName tableName)
   /**
    * Starts a <code>MiniMRCluster</code> with a default number of <code>TaskTracker</code>'s.
    * MiniMRCluster caches hadoop.log.dir when first started. It is not possible to start multiple
-   * MiniMRCluster instances with different log dirs. MiniMRCluster is only to be used from when the
-   * test is run from a separate VM (i.e not in SmallTests)
+   * MiniMRCluster instances with different log dirs.
    * @throws IOException When starting the cluster fails.
    */
   public MiniMRCluster startMiniMapReduceCluster() throws IOException {
@@ -2308,8 +2307,7 @@ public MiniMRCluster startMiniMapReduceCluster() throws IOException {
   /**
    * Starts a <code>MiniMRCluster</code>. Call {@link #setFileSystemURI(String)} to use a different
    * filesystem. MiniMRCluster caches hadoop.log.dir when first started. It is not possible to start
-   * multiple MiniMRCluster instances with different log dirs. MiniMRCluster is only to be used from
-   * when the test is run from a separate VM (i.e not in SmallTests)
+   * multiple MiniMRCluster instances with different log dirs.
    * @param servers The number of <code>TaskTracker</code>'s to start.
    * @throws IOException When starting the cluster fails.
    */
diff --git a/src/main/asciidoc/_chapters/developer.adoc b/src/main/asciidoc/_chapters/developer.adoc
index 0844bafd4868..69773afa1002 100644
--- a/src/main/asciidoc/_chapters/developer.adoc
+++ b/src/main/asciidoc/_chapters/developer.adoc
@@ -1308,12 +1308,11 @@ to put on your new HBase test case.
 
 .Categorizing Tests
 Small Tests (((SmallTests)))::
-  _Small_ test cases are executed in a shared JVM and each test suite/test class should
+  _Small_ test cases are executed in separate JVM and each test suite/test class should
    run in 15 seconds or less; i.e. a link:https://en.wikipedia.org/wiki/JUnit[junit test fixture], a java object made
    up of test methods, should finish in under 15 seconds, no matter how many or how few test methods
    it has. These test cases should not use a minicluster as a minicluster starts many services,
-   most unrelated to what is being tested. Multiple start/stops may leak resources or just overwhelm
-   the single JVM context.
+   most unrelated to what is being tested.
 
 Medium Tests (((MediumTests)))::
   _Medium_ test cases are executed in separate JVM and individual test suites or test classes or in