diff --git a/src/fr/devinsy/strings/StringLengthComparator.java b/src/fr/devinsy/strings/StringLengthComparator.java
index ac95490..a8ba37b 100644
--- a/src/fr/devinsy/strings/StringLengthComparator.java
+++ b/src/fr/devinsy/strings/StringLengthComparator.java
@@ -71,8 +71,8 @@ public class StringLengthComparator implements Comparator<String>
 	 * 
 	 * <pre>
 	 * compare(null, null)   = 0
-	 * compare(null, bravo)  < 0
-	 * compare(alpha, null)  > 0
+	 * compare(null, bravo)  &lt; 0
+	 * compare(alpha, null)  &gt; 0
 	 * compare(alpha, bravo) = alpha.compareTo(bravo)
 	 * </pre>
 	 * 
diff --git a/src/fr/devinsy/strings/StringList.java b/src/fr/devinsy/strings/StringList.java
index f6add11..bf3fb6b 100644
--- a/src/fr/devinsy/strings/StringList.java
+++ b/src/fr/devinsy/strings/StringList.java
@@ -95,8 +95,9 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	/**
 	 * Constructs a list of string of the specified collection, in the order they
 	 * are returned by the collection's iterator.
-	 * 
+	 *
 	 * @param source
+	 *            the source
 	 */
 	public StringList(final Collection<String> source)
 	{
@@ -157,8 +158,9 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Constructs an empty list with the specified initial capacity.
-	 * 
+	 *
 	 * @param initialCapacity
+	 *            the initial capacity
 	 */
 	public StringList(final int initialCapacity)
 	{
@@ -209,8 +211,9 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Constructs a list of string from an Object array.
-	 * 
+	 *
 	 * @param source
+	 *            the source
 	 */
 	public StringList(final Object... source)
 	{
@@ -257,8 +260,9 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Constructs a list of string from a string array.
-	 * 
+	 *
 	 * @param source
+	 *            the source
 	 */
 	public StringList(final String... source)
 	{
@@ -279,9 +283,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string of the array argument to this string list.
-	 * 
-	 * @param strings
-	 * @return
+	 *
+	 * @param values
+	 *            the values
+	 * @return the string list
 	 */
 	public StringList append(final boolean... values)
 	{
@@ -301,11 +306,8 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 		return result;
 	}
 
-	/**
-	 * Appends the string representation of the char argument to this string list.
-	 * 
-	 * @param character
-	 * @return
+	/* (non-Javadoc)
+	 * @see java.lang.Appendable#append(char)
 	 */
 	@Override
 	public StringList append(final char character)
@@ -361,9 +363,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	/**
 	 * Appends the string of the specified collection, in the order they are
 	 * returned by the collection's iterator.
-	 * 
+	 *
 	 * @param strings
-	 * @return
+	 *            the strings
+	 * @return the string list
 	 */
 	public StringList append(final Collection<String> strings)
 	{
@@ -385,9 +388,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string representation of the double argument to this string list.
-	 * 
+	 *
 	 * @param value
-	 * @return
+	 *            the value
+	 * @return the string list
 	 */
 	public StringList append(final double value)
 	{
@@ -403,7 +407,8 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	 * Appends the string representation of the int argument to this string list.
 	 * 
 	 * @param value
-	 * @return
+	 *            the value
+	 * @return the string list
 	 */
 	public StringList append(final int value)
 	{
@@ -417,9 +422,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string representation of the long argument to this string list.
-	 * 
+	 *
 	 * @param value
-	 * @return
+	 *            the value
+	 * @return the string list
 	 */
 	public StringList append(final long value)
 	{
@@ -433,9 +439,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string representation of the int argument to this string list.
-	 * 
+	 *
 	 * @param value
-	 * @return
+	 *            the value
+	 * @return the string list
 	 */
 	public StringList append(final Object value)
 	{
@@ -454,9 +461,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string of the array argument to this string list.
-	 * 
-	 * @param strings
-	 * @return
+	 *
+	 * @param values
+	 *            the values
+	 * @return the string list
 	 */
 	public StringList append(final Object... values)
 	{
@@ -478,9 +486,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string representation of the long argument to this string list.
-	 * 
+	 *
 	 * @param value
-	 * @return
+	 *            the value
+	 * @return the string list
 	 */
 	public StringList append(final short value)
 	{
@@ -494,11 +503,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string argument to this string list.
-	 * 
-	 * Check null parameter before add.
-	 * 
+	 *
 	 * @param string
-	 * @return
+	 *            the string
+	 * @return the string list
 	 */
 	public StringList append(final String string)
 	{
@@ -517,9 +525,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string of the array argument to this string list.
-	 * 
+	 *
 	 * @param strings
-	 * @return
+	 *            the strings
+	 * @return the string list
 	 */
 	public StringList append(final String... strings)
 	{
@@ -541,8 +550,8 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends a break line to this string list.
-	 * 
-	 * @return
+	 *
+	 * @return the string list
 	 */
 	public StringList appendln()
 	{
@@ -559,9 +568,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	/**
 	 * Appends the string representation of the char argument to this string list,
 	 * then append a break line too.
-	 * 
+	 *
 	 * @param character
-	 * @return
+	 *            the character
+	 * @return the string list
 	 */
 	public StringList appendln(final char character)
 	{
@@ -574,8 +584,9 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * Appendln.
-	 * 
+	 * Appends the string of the specified collection, in the order they are
+	 * returned by the collection's iterator. Then append a return line.
+	 *
 	 * @param string
 	 *            the string
 	 * @return the string list
@@ -591,7 +602,7 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * Appendln.
+	 * Appends the string representation of the double argument to this string list.
 	 * 
 	 * @param value
 	 *            the value
@@ -608,7 +619,7 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * Appendln.
+	 * Appends the string representation of the int argument to this string list.
 	 * 
 	 * @param value
 	 *            the value
@@ -625,7 +636,7 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * Appendln.
+	 * Appends the string representation of the long argument to this string list.
 	 * 
 	 * @param value
 	 *            the value
@@ -643,9 +654,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Appends the string of the array argument to this string list.
-	 * 
+	 *
 	 * @param values
-	 * @return
+	 *            the values
+	 * @return the string list
 	 */
 	public StringList appendln(final Object... values)
 	{
@@ -660,7 +672,7 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * Appendln.
+	 * Appends the string representation of the int argument to this string list.
 	 * 
 	 * @param value
 	 *            the value
@@ -677,7 +689,7 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * Appendln.
+	 * Appends the string representation of the long argument to this string list.
 	 * 
 	 * @param value
 	 *            the value
@@ -694,7 +706,7 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * Appendln.
+	 * Appends the string argument to this string list.
 	 * 
 	 * @param string
 	 *            the string
@@ -711,7 +723,7 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * Appendln.
+	 * Appends the string of the array argument to this string list.
 	 * 
 	 * @param strings
 	 *            the strings
@@ -1195,8 +1207,9 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	}
 
 	/**
-	 * 
-	 * @return
+	 * Gets the last.
+	 *
+	 * @return the last
 	 */
 	public String getLast()
 	{
@@ -1760,8 +1773,10 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 
 	/**
 	 * Sorts this list.
-	 * 
-	 * @return This List.
+	 *
+	 * @param comparator
+	 *            the comparator
+	 * @return this string list
 	 */
 	public StringList sortBy(final Comparator<? super String> comparator)
 	{
@@ -1811,9 +1826,9 @@ public class StringList extends ArrayList<String> implements CharSequence, Appen
 	/**
 	 * Extracts a substring from this list.
 	 * 
-	 * @param start
+	 * @param beginIndex
 	 *            The first character of the substring.
-	 * @param end
+	 * @param endIndex
 	 *            The last character of the substring.
 	 * 
 	 * @return The sublist targeted.
diff --git a/src/fr/devinsy/strings/StringsUtils.java b/src/fr/devinsy/strings/StringsUtils.java
index 9f35fb5..0d96c37 100644
--- a/src/fr/devinsy/strings/StringsUtils.java
+++ b/src/fr/devinsy/strings/StringsUtils.java
@@ -53,9 +53,9 @@ public class StringsUtils
 
 	/**
 	 * Capitalize.
-	 * 
-	 * @param sourceStringUtils
-	 *            .lo the source
+	 *
+	 * @param source
+	 *            the source
 	 */
 	public static void capitalize(final StringList source)
 	{
@@ -629,9 +629,10 @@ public class StringsUtils
 
 	/**
 	 * Checks if is blank.
-	 * 
+	 *
 	 * @param source
 	 *            the source
+	 * @return true, if is blank
 	 */
 	public static boolean isBlank(final Collection<String> source)
 	{
@@ -1908,6 +1909,8 @@ public class StringsUtils
 	/**
 	 * Writes the strings of this list into a {@code PrintWriter}.
 	 * 
+	 * @param source
+	 *            the source
 	 * @param out
 	 *            The {@code PrintWriter} where to write.
 	 * @throws IOException
@@ -1927,6 +1930,8 @@ public class StringsUtils
 	/**
 	 * Writes the strings of this list into a {@code Writer}.
 	 * 
+	 * @param source
+	 *            the source
 	 * @param out
 	 *            The {@code Writer} where to write.
 	 * @throws IOException