diff --git a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source32/AbstractXoShiRo128.java b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source32/AbstractXoShiRo128.java
index 2950c8956..64def615d 100644
--- a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source32/AbstractXoShiRo128.java
+++ b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source32/AbstractXoShiRo128.java
@@ -178,7 +178,7 @@ public UniformRandomProvider jump() {
      * {@link UniformRandomProvider#nextLong() nextLong()}. It can provide up to
      * 2<sup>32</sup> non-overlapping subsequences of length 2<sup>96</sup>; each
      * subsequence can provide up to 2<sup>32</sup> non-overlapping subsequences of
-     * length 2<sup>64</sup>using the {@link #jump()} method.</p>
+     * length 2<sup>64</sup> using the {@link #jump()} method.</p>
      */
     @Override
     public JumpableUniformRandomProvider longJump() {
diff --git a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo1024.java b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo1024.java
index 941b6502d..678318232 100644
--- a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo1024.java
+++ b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo1024.java
@@ -158,7 +158,7 @@ public UniformRandomProvider jump() {
      * {@link UniformRandomProvider#nextLong() nextLong()}. It can provide up to
      * 2<sup>256</sup> non-overlapping subsequences of length 2<sup>768</sup>; each
      * subsequence can provide up to 2<sup>256</sup> non-overlapping subsequences of
-     * length 2<sup>512</sup>using the {@link #jump()} method.</p>
+     * length 2<sup>512</sup> using the {@link #jump()} method.</p>
      */
     @Override
     public JumpableUniformRandomProvider longJump() {
diff --git a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo128.java b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo128.java
index 978c89e73..8fd848ed6 100644
--- a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo128.java
+++ b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoRoShiRo128.java
@@ -161,7 +161,7 @@ public UniformRandomProvider jump() {
      * {@link UniformRandomProvider#nextLong() nextLong()}. It can provide up to
      * 2<sup>32</sup> non-overlapping subsequences of length 2<sup>96</sup>; each
      * subsequence can provide up to 2<sup>32</sup> non-overlapping subsequences of
-     * length 2<sup>64</sup>using the {@link #jump()} method.</p>
+     * length 2<sup>64</sup> using the {@link #jump()} method.</p>
      */
     @Override
     public JumpableUniformRandomProvider longJump() {
diff --git a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoShiRo256.java b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoShiRo256.java
index fe04616d1..189dbdfa7 100644
--- a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoShiRo256.java
+++ b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoShiRo256.java
@@ -178,7 +178,7 @@ public UniformRandomProvider jump() {
      * {@link UniformRandomProvider#nextLong() nextLong()}. It can provide up to
      * 2<sup>64</sup> non-overlapping subsequences of length 2<sup>192</sup>; each
      * subsequence can provide up to 2<sup>64</sup> non-overlapping subsequences of
-     * length 2<sup>128</sup>using the {@link #jump()} method.</p>
+     * length 2<sup>128</sup> using the {@link #jump()} method.</p>
      */
     @Override
     public JumpableUniformRandomProvider longJump() {
diff --git a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoShiRo512.java b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoShiRo512.java
index dd5ba6107..f59638fc4 100644
--- a/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoShiRo512.java
+++ b/commons-rng-core/src/main/java/org/apache/commons/rng/core/source64/AbstractXoShiRo512.java
@@ -210,7 +210,7 @@ public UniformRandomProvider jump() {
      * {@link UniformRandomProvider#nextLong() nextLong()}. It can provide up to
      * 2<sup>128</sup> non-overlapping subsequences of length 2<sup>384</sup>; each
      * subsequence can provide up to 2<sup>128</sup> non-overlapping subsequences of
-     * length 2<sup>256</sup>using the {@link #jump()} method.</p>
+     * length 2<sup>256</sup> using the {@link #jump()} method.</p>
      */
     @Override
     public JumpableUniformRandomProvider longJump() {