diff --git a/ChangeLog b/ChangeLog
index ada9d8967..e9ff75251 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Oct  8 11:16:34 CEST 2008 (acab)
+------------------------------------
+  * doc/signatures.*: make a note about using regexes in [zr]md's
+
 Tue Oct  7 23:47:02 CEST 2008 (tk)
 ----------------------------------
   * clamdscan: properly handle --infected (bb#1221)
diff --git a/docs/signatures.pdf b/docs/signatures.pdf
index e2e9c06d8..bbcca6813 100644
Binary files a/docs/signatures.pdf and b/docs/signatures.pdf differ
diff --git a/docs/signatures.tex b/docs/signatures.tex
index 32b87df71..a8a994f9b 100644
--- a/docs/signatures.tex
+++ b/docs/signatures.tex
@@ -197,7 +197,7 @@ virname:encrypted:filename:normal size:csize:crc32:cmethod:fileno:max depth
     \begin{itemize}
 	\item Virus name
 	\item Encryption flag (1 -- encrypted, 0 -- not encrypted)
-	\item File name (* to ignore)
+	\item File name (this is a regular expression - * to ignore)
 	\item Normal (uncompressed) size (* to ignore)
 	\item Compressed size (* to ignore)
 	\item CRC32 (* to ignore)