diff --git a/binary/README.html b/binary/README.html
index 6aae593..f51c2f4 100644
--- a/binary/README.html
+++ b/binary/README.html
@@ -211,7 +211,7 @@
 <li><p>Microsoft Office</p>
 <ul>
 <li><a href="cfb.png">Msi - Microsoft Installer [CFB]</a></li>
-<li><a href="wordml.png">Docm - WordML/WordProcessingML (Microsoft Office XML format) - XML (2002</a></li>
+<li><a href="wordml.png">Docm - WordML/WordProcessingML (Microsoft Office XML format) - XML (2002)</a></li>
 <li><a href="activemime.png">ActiveMime - MSO XML Bindata</a></li>
 <li><a href="docx.png">Docx - Doc XML (Office Open XML) - ZIP+XMLs (2006)</a></li>
 </ul></li>
@@ -267,6 +267,7 @@
 <li><a href="x86.png">x86</a></li>
 </ul>
 <h2 id="weird-files">Weird files</h2>
+<p><a href="polymock.png">A polymock header: a file with many mock formats signatures.</a></p>
 <p><a href="unidoom.png">Universal Doom by Robert Xiao: functional DOS (Dos4/GW) and Portable Executable.</a></p>
 <p><a href="zippng.png">A ZIP/PNG polyglot (sharing the deflate data) by Gynvael Coldwind.</a></p>
 <h2 id="101">101</h2>
diff --git a/binary/README.md b/binary/README.md
index 0deb2fd..a03f94c 100644
--- a/binary/README.md
+++ b/binary/README.md
@@ -190,7 +190,7 @@ Wad - Where's all the data? (1993)
 
 - Microsoft Office
   - <a href="cfb.png">Msi - Microsoft Installer [CFB]</a>
-  - <a href="wordml.png">Docm - WordML/WordProcessingML (Microsoft Office XML format) - XML (2002</a>
+  - <a href="wordml.png">Docm - WordML/WordProcessingML (Microsoft Office XML format) - XML (2002)</a>
   - <a href="activemime.png">ActiveMime - MSO XML Bindata</a>
   - <a href="docx.png">Docx - Doc XML (Office Open XML) - ZIP+XMLs (2006)</a>
 
@@ -246,6 +246,8 @@ Opcodes:
 
 ## Weird files
 
+<a href="polymock.png">A polymock header: a file with many mock formats signatures.</a>
+
 <a href="unidoom.png">Universal Doom by Robert Xiao: functional DOS (Dos4/GW) and Portable Executable.</a>
 
 <a href="zippng.png">A ZIP/PNG polyglot (sharing the deflate data) by Gynvael Coldwind.</a>
diff --git a/binary/pics.html b/binary/pics.html
index fbfa76e..98f3e86 100644
--- a/binary/pics.html
+++ b/binary/pics.html
@@ -211,7 +211,7 @@
 <li><p>Microsoft Office</p>
 <ul>
 <li><a href="cfb.png"><img src="cfb.png" width="200"></a>Msi - Microsoft Installer [CFB]</li>
-<li><a href="wordml.png"><img src="wordml.png" width="200"></a>Docm - WordML/WordProcessingML (Microsoft Office XML format) - XML (2002</li>
+<li><a href="wordml.png"><img src="wordml.png" width="200"></a>Docm - WordML/WordProcessingML (Microsoft Office XML format) - XML (2002)</li>
 <li><a href="activemime.png"><img src="activemime.png" width="200"></a>ActiveMime - MSO XML Bindata</li>
 <li><a href="docx.png"><img src="docx.png" width="200"></a>Docx - Doc XML (Office Open XML) - ZIP+XMLs (2006)</li>
 </ul></li>
@@ -267,6 +267,7 @@
 <li><a href="x86.png"><img src="x86.png" width="200"></a></li>
 </ul>
 <h2 id="weird-files">Weird files</h2>
+<p>A polymock header: a file with many mock formats signatures.</br> <a href="polymock.png"><img src="polymock.png" width="200"></a></p>
 <p>Universal Doom by Robert Xiao: functional DOS (Dos4/GW) and Portable Executable.</br> <a href="unidoom.png"><img src="unidoom.png" width="200"></a></p>
 <p>A ZIP/PNG polyglot (sharing the deflate data) by Gynvael Coldwind.</br> <a href="zippng.png"><img src="zippng.png" width="200"></a></p>
 <h2 id="101">101</h2>
diff --git a/binary/pics.md b/binary/pics.md
index 3dab918..ab273a7 100644
--- a/binary/pics.md
+++ b/binary/pics.md
@@ -198,7 +198,7 @@ Wad - Where's all the data? (1993)
 
 - Microsoft Office
   - <a href="cfb.png"><img src="cfb.png" width="200"></a>Msi - Microsoft Installer [CFB]
-  - <a href="wordml.png"><img src="wordml.png" width="200"></a>Docm - WordML/WordProcessingML (Microsoft Office XML format) - XML (2002
+  - <a href="wordml.png"><img src="wordml.png" width="200"></a>Docm - WordML/WordProcessingML (Microsoft Office XML format) - XML (2002)
   - <a href="activemime.png"><img src="activemime.png" width="200"></a>ActiveMime - MSO XML Bindata
   - <a href="docx.png"><img src="docx.png" width="200"></a>Docx - Doc XML (Office Open XML) - ZIP+XMLs (2006)
 
@@ -254,6 +254,9 @@ Opcodes:
 
 ## Weird files
 
+A polymock header: a file with many mock formats signatures.</br>
+<a href="polymock.png"><img src="polymock.png" width="200"></a>
+
 Universal Doom by Robert Xiao: functional DOS (Dos4/GW) and Portable Executable.</br>
 <a href="unidoom.png"><img src="unidoom.png" width="200"></a>
 
diff --git a/binary/polymock.png b/binary/polymock.png
new file mode 100644
index 0000000..79f05fd
Binary files /dev/null and b/binary/polymock.png differ