diff --git a/File-Formats/XlsIO/Excel-to-PDF-Conversion.md b/File-Formats/XlsIO/Excel-to-PDF-Conversion.md
index 31183a03d..99980e435 100644
--- a/File-Formats/XlsIO/Excel-to-PDF-Conversion.md
+++ b/File-Formats/XlsIO/Excel-to-PDF-Conversion.md
@@ -391,11 +391,11 @@ A complete working example to convert Excel with comments to PDF and render comm
 
 The following screenshot represents the input Excel file with notes
 
-![Input excel file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img2.png)
+![Input excel file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img2.png)
 
 The following screenshot represents the output pdf file generated by the XlsIO using **PrintInPlace** option
 
-![Output pdf file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img3.png)
+![Output pdf file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img3.png)
 
 ### Convert comments at the end of the sheet
 Comments (notes) will be rendered in the output PDF document at the end of the each sheet which contains the comments (notes), when the **PrintSheetEnd** option is selected. The following code illustrates this. 
@@ -478,12 +478,12 @@ A complete working example to convert Excel with comments to PDF and render comm
 
 The following screenshot represents the input Excel file with notes
 
-![Input excel file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img4.png)
+![Input excel file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img4.png)
 
 The following screenshot represents the output pdf file generated by the XlsIO using **PrintSheetEnd** option
 
-![Output pdf file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img5.png)
-![Output pdf file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img6.png)
+![Output pdf file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img5.png)
+![Output pdf file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img6.png)
 
 ### Convert without comments
 Comments (notes) will not be displayed in the output PDF document, if the **PrintNoComments** option is selected. The following code illustrates this. 
@@ -566,11 +566,11 @@ A complete working example to convert Excel with comments to PDF ignoring the co
 
 The following screenshot represents the input Excel file with notes
 
-![Input excel file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img2.png)
+![Input excel file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img2.png)
 
 The following screenshot represents the output pdf file generated by the XlsIO using **PrintNoComments** option
 
-![Output pdf file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img7.png)
+![Output pdf file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img7.png)
 
 ## Excel with threaded comments to PDF
 
@@ -675,11 +675,11 @@ End Using
 
 The following screenshot represents the input Excel document with threaded comments
 
-![Input excel file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img8.png)
+![Input excel file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img8.png)
 
 The following screenshot represents the output pdf document generated by the XlsIO using **PrintSheetEnd** option
 
-![Output pdf file](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img9.png)
+![Output pdf file.](Excel-to-PDF-Conversion_images/Excel-to-PDF-Conversion_img9.png)
 
 ## Substitute Font in Excel-to-PDF Conversion