some incorrect uses of

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1895151 13f79535-47bb-0310-9956-ffa450edef68

poi-ooxml/src/main/java/org/apache/poi/poifs/crypt/dsig/SignatureInfo.java

@@ -111,7 +111,7 @@ import org.w3c.dom.events.MutationEvent;
  *
  * <pre>
  * // loading the keystore - pkcs12 is used here, but of course jks &amp; co are also valid
- * // the keystore needs to contain a private key and it's certificate having a
+ * // the keystore needs to contain a private key and its certificate having a
  * // 'digitalSignature' key usage
  * char password[] = "test".toCharArray();
  * File file = new File("test.pfx");

poi-ooxml/src/main/java/org/apache/poi/xdgf/usermodel/XDGFShape.java

@@ -931,7 +931,7 @@ public class XDGFShape extends XDGFSheet {
     }
 
     /**
-     * The visitor will first visit this shape, then it's children
+     * The visitor will first visit this shape, then its children
      *
      * This is useful because exceptions will be marked with the shapes as it
      * propagates up the shape hierarchy.
@@ -959,7 +959,7 @@ public class XDGFShape extends XDGFSheet {
     }
 
     /**
-     * The visitor will first visit this shape, then it's children. No transform
+     * The visitor will first visit this shape, then its children. No transform
      * is calculated for this visit
      *
      * This is useful because exceptions will be marked with the shapes as it

poi-scratchpad/src/main/java/org/apache/poi/hslf/usermodel/HSLFShape.java

@@ -402,7 +402,7 @@ public abstract class HSLFShape implements Shape<HSLFShape,HSLFTextParagraph> {
     }
 
     /**
-     * @return  The shape container and it's children that can represent this
+     * @return  The shape container and its children that can represent this
      *          shape.
      */
     public EscherContainerRecord getSpContainer(){

poi-scratchpad/src/main/java/org/apache/poi/hwpf/model/PicturesTable.java

@@ -98,7 +98,7 @@ public final class PicturesTable {
         }
 
         if (run.isSpecialCharacter() && !run.isObj() && !run.isOle2() && !run.isData()) {
-            // Image should be in it's own run, or in a run with the end-of-special marker
+            // Image should be in its own run, or in a run with the end-of-special marker
             if ("\u0001".equals(run.text()) || "\u0001\u0015".equals(run.text())) {
                 return isBlockContainsImage(run.getPicOffset());
             }

poi/src/main/java/org/apache/poi/ddf/EscherRecord.java

@@ -73,7 +73,7 @@ public abstract class EscherRecord implements Duplicatable, GenericRecord {
 
     /**
      * The contract of this method is to deserialize an escher record including
-     * it's children.
+     * its children.
      *
      * @param data      The byte array containing the serialized escher
      *                  records.

poi/src/main/java/org/apache/poi/poifs/crypt/ChunkedCipherInputStream.java

@@ -203,7 +203,7 @@ public abstract class ChunkedCipherInputStream extends LittleEndianInputStream {
 
     /**
      * Helper function for overriding the cipher invocation, i.e. XOR doesn't use a cipher
-     * and uses it's own implementation
+     * and uses its own implementation
      */
     protected int invokeCipher(int totalBytes, boolean doFinal) throws GeneralSecurityException {
         if (doFinal) {

poi/src/main/java/org/apache/poi/poifs/crypt/ChunkedCipherOutputStream.java

@@ -207,7 +207,7 @@ public abstract class ChunkedCipherOutputStream extends FilterOutputStream {
 
     /**
      * Helper function for overriding the cipher invocation, i.e. XOR doesn't use a cipher
-     * and uses it's own implementation
+     * and uses its own implementation
      */
     protected int invokeCipher(int posInChunk, boolean doFinal) throws GeneralSecurityException, IOException {
         byte[] plain = (plainByteFlags.isEmpty()) ? null : chunk.clone();