fix typo in pdfimages.1
diff --git a/utils/pdfimages.1 b/utils/pdfimages.1
index 955d8b3..2929eca 100644
--- a/utils/pdfimages.1
+++ b/utils/pdfimages.1
@@ -40,7 +40,7 @@
 .IR image-root
 with this option.
 .IP
-The following information is listed for each font:
+The following information is listed for each image:
 .RS
 .TP
 .B page
@@ -133,7 +133,7 @@
 "yes" if the interpolation is to be performed when scaling up the image
 .TP
 .B object ID
-the font dictionary object ID (number and generation)
+the image dictionary object ID (number and generation)
 .RE
 .TP
 .BI \-opw " password"