diff --git a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFCellStyle.java b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFCellStyle.java
index 722c18e15d..cd5a3bb766 100644
--- a/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFCellStyle.java
+++ b/src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFCellStyle.java
@@ -118,7 +118,7 @@ public class XSSFCellStyle implements CellStyle {
      */
     public void verifyBelongsToStylesSource(StylesTable src) {
         if(this._stylesSource != src) {
-            throw new IllegalArgumentException("This Style does not belong to the supplied Workbook Styles Source. Are you trying to assign a style from one workbook to the cell of a differnt workbook?");
+            throw new IllegalArgumentException("This Style does not belong to the supplied Workbook Styles Source. Are you trying to assign a style from one workbook to the cell of a different workbook?");
         }
     }