diff --git a/Doc/lib/libimghdr.tex b/Doc/lib/libimghdr.tex
index 302d450cb90..54e58014876 100644
--- a/Doc/lib/libimghdr.tex
+++ b/Doc/lib/libimghdr.tex
@@ -1,5 +1,5 @@
 \section{\module{imghdr} ---
-         Determine the type of image contained in a file or byte stream.}
+         Determine the type of an image.}
 \declaremodule{standard}{imghdr}
 
 \modulesynopsis{Determine the type of image contained in a file or byte stream.}