diff --git a/src/java/org/apache/poi/ss/usermodel/Workbook.java b/src/java/org/apache/poi/ss/usermodel/Workbook.java
index 7ef1bdbf3d..156d1b0d7a 100644
--- a/src/java/org/apache/poi/ss/usermodel/Workbook.java
+++ b/src/java/org/apache/poi/ss/usermodel/Workbook.java
@@ -201,7 +201,7 @@ public interface Workbook extends Closeable, Iterable<Sheet> {
     Sheet createSheet(String sheetname);
 
     /**
-     * Create an Sheet from an existing sheet in the Workbook.
+     * Create a Sheet from an existing sheet in the Workbook.
      *
      * @return Sheet representing the cloned sheet.
      */
diff --git a/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFWorkbook.java b/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFWorkbook.java
index da784c7d04..19734b5b9a 100644
--- a/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFWorkbook.java
+++ b/src/ooxml/java/org/apache/poi/xssf/streaming/SXSSFWorkbook.java
@@ -682,7 +682,7 @@ public class SXSSFWorkbook implements Workbook {
     }
 
     /**
-     * Sreate an Sheet for this Workbook, adds it to the sheets and returns
+     * Create a Sheet for this Workbook, adds it to the sheets and returns
      * the high level representation.  Use this to create new sheets.
      *
      * @return Sheet representing the new sheet.
@@ -709,7 +709,7 @@ public class SXSSFWorkbook implements Workbook {
     }
 
     /**
-     * Create an Sheet for this Workbook, adds it to the sheets and returns
+     * Create a Sheet for this Workbook, adds it to the sheets and returns
      * the high level representation.  Use this to create new sheets.
      *
      * @param sheetname  sheetname to set for the sheet.
@@ -725,7 +725,7 @@ public class SXSSFWorkbook implements Workbook {
     /**
      * <i>Not implemented for SXSSFWorkbook</i>
      *
-     * Create an Sheet from an existing sheet in the Workbook.
+     * Create a Sheet from an existing sheet in the Workbook.
      *
      * @return Sheet representing the cloned sheet.
      */