diff --git a/Doc/lib/libimghdr.tex b/Doc/lib/libimghdr.tex
index 2a162a2876f..302d450cb90 100644
--- a/Doc/lib/libimghdr.tex
+++ b/Doc/lib/libimghdr.tex
@@ -30,7 +30,7 @@ return value from \function{what()}:
   \lineii{'tiff'}{TIFF Files}
   \lineii{'rast'}{Sun Raster Files}
   \lineii{'xbm'}{X Bitmap Files}
-  \lineii{'jpeg'}{JPEG data in JIFF format}
+  \lineii{'jpeg'}{JPEG data in JFIF format}
   \lineii{'bmp'}{BMP files}
   \lineii{'png'}{Portable Network Graphics}
 \end{tableii}