Fix comments
diff --git a/src/main/java/org/apache/commons/io/CopyUtils.java b/src/main/java/org/apache/commons/io/CopyUtils.java
index 55e0494..4dc6de4 100644
--- a/src/main/java/org/apache/commons/io/CopyUtils.java
+++ b/src/main/java/org/apache/commons/io/CopyUtils.java
@@ -350,7 +350,7 @@
     /**
      * Instances should NOT be constructed in standard programming.
      *
-     * @deprecated TODO Make private in 4.0.
+     * @deprecated TODO Make private in 3.0.
      */
     @Deprecated
     public CopyUtils() {
diff --git a/src/main/java/org/apache/commons/io/EndianUtils.java b/src/main/java/org/apache/commons/io/EndianUtils.java
index 6cbe949..ac3c645 100644
--- a/src/main/java/org/apache/commons/io/EndianUtils.java
+++ b/src/main/java/org/apache/commons/io/EndianUtils.java
@@ -451,7 +451,7 @@
     /**
      * Instances should NOT be constructed in standard programming.
      *
-     * @deprecated TODO Make private in 4.0.
+     * @deprecated TODO Make private in 3.0.
      */
     @Deprecated
     public EndianUtils() {
diff --git a/src/main/java/org/apache/commons/io/FileSystemUtils.java b/src/main/java/org/apache/commons/io/FileSystemUtils.java
index 2b959ff..91c2008 100644
--- a/src/main/java/org/apache/commons/io/FileSystemUtils.java
+++ b/src/main/java/org/apache/commons/io/FileSystemUtils.java
@@ -243,7 +243,7 @@
     /**
      * Instances should NOT be constructed in standard programming.
      *
-     * @deprecated TODO Make private in 4.0.
+     * @deprecated TODO Make private in 3.0.
      */
     @Deprecated
     public FileSystemUtils() {
diff --git a/src/main/java/org/apache/commons/io/FileUtils.java b/src/main/java/org/apache/commons/io/FileUtils.java
index 3b3bd74..f83cf09 100644
--- a/src/main/java/org/apache/commons/io/FileUtils.java
+++ b/src/main/java/org/apache/commons/io/FileUtils.java
@@ -3531,7 +3531,7 @@
     /**
      * Instances should NOT be constructed in standard programming.
      *
-     * @deprecated TODO Make private in 4.0.
+     * @deprecated TODO Make private in 3.0.
      */
     @Deprecated
     public FileUtils() { //NOSONAR
diff --git a/src/main/java/org/apache/commons/io/FilenameUtils.java b/src/main/java/org/apache/commons/io/FilenameUtils.java
index d3ead56..45d3687 100644
--- a/src/main/java/org/apache/commons/io/FilenameUtils.java
+++ b/src/main/java/org/apache/commons/io/FilenameUtils.java
@@ -1719,7 +1719,7 @@
     /**
      * Instances should NOT be constructed in standard programming.
      *
-     * @deprecated TODO Make private in 4.0.
+     * @deprecated TODO Make private in 3.0.
      */
     @Deprecated
     public FilenameUtils() {
diff --git a/src/main/java/org/apache/commons/io/IOUtils.java b/src/main/java/org/apache/commons/io/IOUtils.java
index 6b48d09..8406b13 100644
--- a/src/main/java/org/apache/commons/io/IOUtils.java
+++ b/src/main/java/org/apache/commons/io/IOUtils.java
@@ -3935,7 +3935,8 @@
 
     /**
      * Instances should NOT be constructed in standard programming.
-     * @deprecated Will be private in 3.0.
+     *
+     * @deprecated TODO Make private in 3.0.
      */
     @Deprecated
     public IOUtils() { //NOSONAR