diff --git a/src/main/java/org/apache/commons/validator/routines/checkdigit/CUSIPCheckDigit.java b/src/main/java/org/apache/commons/validator/routines/checkdigit/CUSIPCheckDigit.java
index ba14ac8af..e32d757bf 100644
--- a/src/main/java/org/apache/commons/validator/routines/checkdigit/CUSIPCheckDigit.java
+++ b/src/main/java/org/apache/commons/validator/routines/checkdigit/CUSIPCheckDigit.java
@@ -49,7 +49,7 @@ public final class CUSIPCheckDigit extends ModulusCheckDigit {
     private static final int[] POSITION_WEIGHT = {2, 1};
 
     /**
-     * Construct an CUSIP Indetifier Check Digit routine.
+     * Construct a CUSIP Identifier Check Digit routine.
      */
     public CUSIPCheckDigit() {
         super(10); // CHECKSTYLE IGNORE MagicNumber
@@ -62,7 +62,7 @@ public CUSIPCheckDigit() {
      * @param leftPos The position of the character in the code, counting from left to right
      * @param rightPos The position of the character in the code, counting from right to left
      * @return The integer value of the character
-     * @throws CheckDigitException if character is not alphanumeric
+     * @throws CheckDigitException if the character is not alphanumeric
      */
     @Override
     protected int toInt(final char character, final int leftPos, final int rightPos)
@@ -87,7 +87,7 @@ protected int toInt(final char character, final int leftPos, final int rightPos)
      *
      * @param charValue The numeric value of the character.
      * @param leftPos The position of the character in the code, counting from left to right
-     * @param rightPos The positionof the character in the code, counting from right to left
+     * @param rightPos The position of the character in the code, counting from right to left
      * @return The weighted value of the character.
      */
     @Override
diff --git a/src/main/java/org/apache/commons/validator/routines/checkdigit/ISINCheckDigit.java b/src/main/java/org/apache/commons/validator/routines/checkdigit/ISINCheckDigit.java
index 2d7fd81be..991814cc0 100644
--- a/src/main/java/org/apache/commons/validator/routines/checkdigit/ISINCheckDigit.java
+++ b/src/main/java/org/apache/commons/validator/routines/checkdigit/ISINCheckDigit.java
@@ -51,7 +51,7 @@ public final class ISINCheckDigit extends ModulusCheckDigit {
     private static final int[] POSITION_WEIGHT = {2, 1};
 
     /**
-     * Construct an ISIN Indetifier Check Digit routine.
+     * Construct an ISIN Identifier Check Digit routine.
      */
     public ISINCheckDigit() {
         super(10); // CHECKSTYLE IGNORE MagicNumber