diff --git a/README.md b/README.md
index 9699a3e..d159c3f 100644
--- a/README.md
+++ b/README.md
@@ -62,15 +62,16 @@ Now you got pip up and running! The next move is to install the tool using it
 
 Check out the help command ``cerda -h``::
 
-    usage: cerda [-h] [-dbox] [-e EMAIL] [-c COUNT] [-r EVERY] source target
+    usage: cerda [-h] [-dbox] [-e EMAIL] [-c COUNT] [-r EVERY] [-t CUSTOMTYPES]
+                 source target
 
     An NCCA render farm collector.
 
     positional arguments:
       source                Remote location path (relative to home) where the
                             frames get generated.
-      target                Destination location path where you would like the
-                            frames to get sent to.
+      target                Custom file extensions to mark for transfering. I.e.
+                            -t tiff,exr,obj
 
     optional arguments:
       -h, --help            show this help message and exit
@@ -84,6 +85,9 @@ Check out the help command ``cerda -h``::
                             specified with -m flag.
       -r EVERY, --every EVERY
                             How often to check for frames dropped (in seconds)
+      -t CUSTOMTYPES, --customTypes CUSTOMTYPES
+                            Custom file extensions to mark for transfering. I.e.
+                            -t tiff,exr,obj
 
 **WARNING:** Please make sure the **paths** you pass in are relative to your home folder.
 
@@ -127,3 +131,17 @@ When it is finished you will receive an email from **cerdancca@gmail.com**.
 Hopefully it won't get blocked as I am using Google's own SMTP servers.
 
 If you find any problem or bug please report it using the Issues page or drop me a line at blanquer.ramon@gmail.com
+
+#### Example 4
+My renderfarm is rendering out Alembic **.abc** files at ``/home/i7243466/project1/render`` 
+on the **tete** server. I want the files to get transfered to my local drive at
+location ``/home/i7243466/hello/alembics``::
+
+    $ cerda project1/render hello/alembics --customTypes abc
+
+Or you could also use the short flags::
+
+    $ cerda project1/render hello/alembics --t abc
+
+You can specify more than custom type to transfer like ``--customTypes png,jpg,abc,tiff``
+No spaces, separated by commas.
\ No newline at end of file
diff --git a/README.rst b/README.rst
index 701d3ba..2d90af8 100644
--- a/README.rst
+++ b/README.rst
@@ -68,15 +68,16 @@ Usage
 
 Check out the help command ``cerda -h``::
 
-    usage: cerda [-h] [-dbox] [-e EMAIL] [-c COUNT] [-r EVERY] source target
+    usage: cerda [-h] [-dbox] [-e EMAIL] [-c COUNT] [-r EVERY] [-t CUSTOMTYPES]
+                 source target
 
     An NCCA render farm collector.
 
     positional arguments:
       source                Remote location path (relative to home) where the
                             frames get generated.
-      target                Destination location path where you would like the
-                            frames to get sent to.
+      target                Custom file extensions to mark for transfering. I.e.
+                            -t tiff,exr,obj
 
     optional arguments:
       -h, --help            show this help message and exit
@@ -90,6 +91,9 @@ Check out the help command ``cerda -h``::
                             specified with -m flag.
       -r EVERY, --every EVERY
                             How often to check for frames dropped (in seconds)
+      -t CUSTOMTYPES, --customTypes CUSTOMTYPES
+                            Custom file extensions to mark for transfering. I.e.
+                            -t tiff,exr,obj
 
 **WARNING:** Please make sure the **paths** you pass in are relative to your home folder.
 
@@ -140,3 +144,20 @@ When it is finished you will receive an email from **cerdancca@gmail.com**.
 Hopefully it won't get blocked as I am using Google's own SMTP servers.
 
 If you find any problem or bug please report it using the Issues page or drop me a line at blanquer.ramon@gmail.com
+
+Example 4
+---------
+
+My renderfarm is rendering out Alembic **.abc** files at ``/home/i7243466/project1/render`` 
+on the **tete** server. I want the files to get transfered to my local drive at
+location ``/home/i7243466/hello/alembics``::
+
+    $ cerda project1/render hello/alembics --customTypes abc
+
+Or you could also use the short flags::
+
+    $ cerda project1/render hello/alembics --t abc
+
+.. note::
+    You can specify more than custom type to transfer like ``--customTypes png,jpg,abc,tiff``
+    No spaces, separated by commas.
\ No newline at end of file