diff --git a/src/main/java/org/apache/commons/math/analysis/integration/TrapezoidIntegrator.java b/src/main/java/org/apache/commons/math/analysis/integration/TrapezoidIntegrator.java
index afb48f8a1..626649b6d 100644
--- a/src/main/java/org/apache/commons/math/analysis/integration/TrapezoidIntegrator.java
+++ b/src/main/java/org/apache/commons/math/analysis/integration/TrapezoidIntegrator.java
@@ -48,7 +48,7 @@ public class TrapezoidIntegrator extends UnivariateRealIntegratorImpl {
      * @param absoluteAccuracy absolute accuracy of the result
      * @param minimalIterationCount minimum number of iterations
      * @param maximalIterationCount maximum number of iterations
-     * (must be less than or equal to {@link #TRAPEZOID_MAX_ITERATIONS_COUNT)
+     * (must be less than or equal to {@link #TRAPEZOID_MAX_ITERATIONS_COUNT}
      * @exception NotStrictlyPositiveException if minimal number of iterations
      * is not strictly positive
      * @exception NumberIsTooSmallException if maximal number of iterations
@@ -72,7 +72,7 @@ public class TrapezoidIntegrator extends UnivariateRealIntegratorImpl {
      * Build a trapezoid integrator with given iteration counts.
      * @param minimalIterationCount minimum number of iterations
      * @param maximalIterationCount maximum number of iterations
-     * (must be less than or equal to {@link #TRAPEZOID_MAX_ITERATIONS_COUNT)
+     * (must be less than or equal to {@link #TRAPEZOID_MAX_ITERATIONS_COUNT}
      * @exception NotStrictlyPositiveException if minimal number of iterations
      * is not strictly positive
      * @exception NumberIsTooSmallException if maximal number of iterations
diff --git a/src/main/java/org/apache/commons/math/analysis/integration/UnivariateRealIntegratorImpl.java b/src/main/java/org/apache/commons/math/analysis/integration/UnivariateRealIntegratorImpl.java
index aad24cdcd..865c6f107 100644
--- a/src/main/java/org/apache/commons/math/analysis/integration/UnivariateRealIntegratorImpl.java
+++ b/src/main/java/org/apache/commons/math/analysis/integration/UnivariateRealIntegratorImpl.java
@@ -215,7 +215,7 @@ public abstract class UnivariateRealIntegratorImpl implements UnivariateRealInte
      * @param maxEval Maximum number of evaluations.
      * @param f the integrand function
      * @param min the min bound for the interval
-     * @param upper the upper bound for the interval
+     * @param max the upper bound for the interval
      * @throws NullArgumentException if {@code f} is {@code null}.
      * @throws MathIllegalArgumentException if {@code min >= max}.
      */