Fix some typo and grammar.
diff --git a/commons-rng-client-api/src/main/java/org/apache/commons/rng/UniformRandomProvider.java b/commons-rng-client-api/src/main/java/org/apache/commons/rng/UniformRandomProvider.java
index f2f5c31..d650cd6 100644
--- a/commons-rng-client-api/src/main/java/org/apache/commons/rng/UniformRandomProvider.java
+++ b/commons-rng-client-api/src/main/java/org/apache/commons/rng/UniformRandomProvider.java
@@ -30,8 +30,7 @@
     /**
      * Generates {@code byte} values and places them into a user-supplied array.
      *
-     * <p>The number of random bytes produced is equal to the length of the
-     * the byte array.
+     * <p>The number of random bytes produced is equal to the length of the byte array.
      *
      * @param bytes Byte array in which to put the random bytes.
      * Cannot be {@code null}.
diff --git a/commons-rng-core/src/main/java/org/apache/commons/rng/core/BaseProvider.java b/commons-rng-core/src/main/java/org/apache/commons/rng/core/BaseProvider.java
index ed6d6a3..e78dbea 100644
--- a/commons-rng-core/src/main/java/org/apache/commons/rng/core/BaseProvider.java
+++ b/commons-rng-core/src/main/java/org/apache/commons/rng/core/BaseProvider.java
@@ -27,14 +27,14 @@
 public abstract class BaseProvider
     implements RestorableUniformRandomProvider {
     /**
-     * The fractional part of the the golden ratio, phi, scaled to 64-bits and rounded to odd.
+     * The fractional part of the golden ratio, phi, scaled to 64-bits and rounded to odd.
      * <pre>
      * phi = (sqrt(5) - 1) / 2) * 2^64
      * </pre>
      * @see <a href="https://en.wikipedia.org/wiki/Golden_ratio">Golden ratio</a>
      */
     private static final long GOLDEN_RATIO_64 = 0x9e3779b97f4a7c15L;
-    /** The fractional part of the the golden ratio, phi, scaled to 32-bits and rounded to odd. */
+    /** The fractional part of the golden ratio, phi, scaled to 32-bits and rounded to odd. */
     private static final int GOLDEN_RATIO_32 = 0x9e3779b9;
 
     /** {@inheritDoc} */
diff --git a/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/OutputCommand.java b/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/OutputCommand.java
index bb2a7bc..56f0d02 100644
--- a/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/OutputCommand.java
+++ b/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/OutputCommand.java
@@ -459,7 +459,7 @@
     }
 
     /**
-     * Write an {@code long} value to the the output. The native Java value will be
+     * Write an {@code long} value to the output. The native Java value will be
      * written to the writer on a single line using: a binary string representation
      * of the bytes; the unsigned integer; and the signed integer.
      *
@@ -497,7 +497,7 @@
     }
 
     /**
-     * Write an {@code int} value to the the output. The native Java value will be
+     * Write an {@code int} value to the output. The native Java value will be
      * written to the writer on a single line using: a binary string representation
      * of the bytes; the unsigned integer; and the signed integer.
      *
diff --git a/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/RngDataOutput.java b/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/RngDataOutput.java
index 5abeccf..ab3da59 100644
--- a/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/RngDataOutput.java
+++ b/commons-rng-examples/examples-stress/src/main/java/org/apache/commons/rng/examples/stress/RngDataOutput.java
@@ -56,7 +56,7 @@
  * {@link java.io.DataOutputStream#writeInt(int) DataOutputStream#writeInt(int)}.</p>
  *
  * <p>This class has adaptors to write the long output from a RNG to two int values.
- * To match the caching implementation in the the core LongProvider class this is tested
+ * To match the caching implementation in the core LongProvider class this is tested
  * to output int values in the same order as an instance of the LongProvider. Currently
  * this outputs in order: low 32-bits, high 32-bits.
  */
diff --git a/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/FastLoadedDiceRollerDiscreteSampler.java b/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/FastLoadedDiceRollerDiscreteSampler.java
index 625a73c..e921373 100644
--- a/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/FastLoadedDiceRollerDiscreteSampler.java
+++ b/commons-rng-sampling/src/main/java/org/apache/commons/rng/sampling/distribution/FastLoadedDiceRollerDiscreteSampler.java
@@ -705,7 +705,7 @@
     }
 
     /**
-     * Creates the sampler. Frequencies are are represented as a 53-bit value with a
+     * Creates the sampler. Frequencies are represented as a 53-bit value with a
      * left-shift offset.
      * <pre>
      * BigInteger.valueOf(value).shiftLeft(offset)
diff --git a/commons-rng-simple/src/main/java/org/apache/commons/rng/simple/internal/Conversions.java b/commons-rng-simple/src/main/java/org/apache/commons/rng/simple/internal/Conversions.java
index e107c92..a09784c 100644
--- a/commons-rng-simple/src/main/java/org/apache/commons/rng/simple/internal/Conversions.java
+++ b/commons-rng-simple/src/main/java/org/apache/commons/rng/simple/internal/Conversions.java
@@ -28,7 +28,7 @@
  */
 final class Conversions {
     /**
-     * The fractional part of the the golden ratio, phi, scaled to 64-bits and rounded to odd.
+     * The fractional part of the golden ratio, phi, scaled to 64-bits and rounded to odd.
      * <pre>
      * phi = (sqrt(5) - 1) / 2) * 2^64
      * </pre>
diff --git a/commons-rng-simple/src/main/java/org/apache/commons/rng/simple/internal/MixFunctions.java b/commons-rng-simple/src/main/java/org/apache/commons/rng/simple/internal/MixFunctions.java
index eb8f4fc..4f4be9e 100644
--- a/commons-rng-simple/src/main/java/org/apache/commons/rng/simple/internal/MixFunctions.java
+++ b/commons-rng-simple/src/main/java/org/apache/commons/rng/simple/internal/MixFunctions.java
@@ -23,14 +23,14 @@
  */
 final class MixFunctions {
     /**
-     * The fractional part of the the golden ratio, phi, scaled to 64-bits and rounded to odd.
+     * The fractional part of the golden ratio, phi, scaled to 64-bits and rounded to odd.
      * This can be used as an increment for a Weyl sequence.
      *
      * @see <a href="https://en.wikipedia.org/wiki/Golden_ratio">Golden ratio</a>
      */
     static final long GOLDEN_RATIO_64 = 0x9e3779b97f4a7c15L;
     /**
-     * The fractional part of the the golden ratio, phi, scaled to 32-bits and rounded to odd.
+     * The fractional part of the golden ratio, phi, scaled to 32-bits and rounded to odd.
      * This can be used as an increment for a Weyl sequence.
      *
      * @see <a href="https://en.wikipedia.org/wiki/Golden_ratio">Golden ratio</a>
diff --git a/pom.xml b/pom.xml
index 778968c..d6c3f65 100644
--- a/pom.xml
+++ b/pom.xml
@@ -759,6 +759,9 @@
      <contributor>
       <name>Abhishek Singh Dhadwal</name>
     </contributor>
+    <contributor>
+      <name>Arturo Bernal</name>
+    </contributor>
   </contributors>
 
 </project>