diff --git a/malware_classification/README.md b/malware_classification/README.md
index 2beea3e..6218d62 100644
--- a/malware_classification/README.md
+++ b/malware_classification/README.md
@@ -2,7 +2,7 @@
 
 ## Malware Categories
 
-All malware samples should be classified into one of the categories listed in the table below. 
+All malware samples should be classified into one of the categories listed in the table below.
 
 <dl>
 <dt>Virus</dt>
@@ -29,11 +29,14 @@ All malware samples should be classified into one of the categories listed in th
 <dt>Spyware</dt>
 <dd><dd>
 
+<dt>Botnet</dt>
+<dd><dd>
+
 </dl>
 
 ## Obfuscation Classification
 
-All malware samples should be classified into one of the categories listed in the table below. 
+All malware samples should be classified into one of the categories listed in the table below.
 
 <dl>
 <dt>no-obfuscation</dt>
diff --git a/malware_classification/machinetag.json b/malware_classification/machinetag.json
index e4bf3a6..e7b5151 100644
--- a/malware_classification/machinetag.json
+++ b/malware_classification/machinetag.json
@@ -55,6 +55,10 @@
         {
           "value": "Spyware",
           "expanded": "Spyware"
+        },
+        {
+           "value": "Botnet",
+           "expanded": "Botnet"
         }
       ]
     },