Better names.
diff --git a/src/main/java/org/apache/commons/io/input/CloseShieldInputStream.java b/src/main/java/org/apache/commons/io/input/CloseShieldInputStream.java
index 35ef834..4980e3e 100644
--- a/src/main/java/org/apache/commons/io/input/CloseShieldInputStream.java
+++ b/src/main/java/org/apache/commons/io/input/CloseShieldInputStream.java
@@ -44,14 +44,14 @@
     /**
      * Creates a proxy that shields the given input stream from being closed.
      *
-     * @param in underlying input stream
+     * @param inputStream underlying input stream
      * @deprecated Using this constructor prevents IDEs from warning if the
      *             underlying input stream is never closed. Use
      *             {@link #wrap(InputStream)} instead.
      */
     @Deprecated
-    public CloseShieldInputStream(final InputStream in) {
-        super(in);
+    public CloseShieldInputStream(final InputStream inputStream) {
+        super(inputStream);
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/io/input/CloseShieldReader.java b/src/main/java/org/apache/commons/io/input/CloseShieldReader.java
index 2c473cb..51b1268 100644
--- a/src/main/java/org/apache/commons/io/input/CloseShieldReader.java
+++ b/src/main/java/org/apache/commons/io/input/CloseShieldReader.java
@@ -44,14 +44,14 @@
     /**
      * Creates a proxy that shields the given reader from being closed.
      *
-     * @param in underlying reader
+     * @param reader underlying reader
      * @deprecated Using this constructor prevents IDEs from warning if the
      *             underlying reader is never closed. Use {@link #wrap(Reader)}
      *             instead.
      */
     @Deprecated
-    public CloseShieldReader(final Reader in) {
-        super(in);
+    public CloseShieldReader(final Reader reader) {
+        super(reader);
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/io/output/CloseShieldOutputStream.java b/src/main/java/org/apache/commons/io/output/CloseShieldOutputStream.java
index 7c9cd40..1608890 100644
--- a/src/main/java/org/apache/commons/io/output/CloseShieldOutputStream.java
+++ b/src/main/java/org/apache/commons/io/output/CloseShieldOutputStream.java
@@ -44,14 +44,14 @@
     /**
      * Creates a proxy that shields the given output stream from being closed.
      *
-     * @param out underlying output stream
+     * @param outputStream underlying output stream
      * @deprecated Using this constructor prevents IDEs from warning if the
      *             underlying output stream is never closed. Use
      *             {@link #wrap(OutputStream)} instead.
      */
     @Deprecated
-    public CloseShieldOutputStream(final OutputStream out) {
-        super(out);
+    public CloseShieldOutputStream(final OutputStream outputStream) {
+        super(outputStream);
     }
 
     /**
diff --git a/src/main/java/org/apache/commons/io/output/CloseShieldWriter.java b/src/main/java/org/apache/commons/io/output/CloseShieldWriter.java
index c9c696e..bd14c58 100644
--- a/src/main/java/org/apache/commons/io/output/CloseShieldWriter.java
+++ b/src/main/java/org/apache/commons/io/output/CloseShieldWriter.java
@@ -44,14 +44,14 @@
     /**
      * Creates a proxy that shields the given writer from being closed.
      *
-     * @param out underlying writer
+     * @param writer underlying writer
      * @deprecated Using this constructor prevents IDEs from warning if the
      *             underlying writer is never closed. Use {@link #wrap(Writer)}
      *             instead.
      */
     @Deprecated
-    public CloseShieldWriter(final Writer out) {
-        super(out);
+    public CloseShieldWriter(final Writer writer) {
+        super(writer);
     }
 
     /**