diff --git a/docs/install_guide/limitations.rst b/docs/install_guide/limitations.rst
index 2295f57..ee2bf91 100644
--- a/docs/install_guide/limitations.rst
+++ b/docs/install_guide/limitations.rst
@@ -8,5 +8,8 @@ Limitations
 
 -  Only vSphere 5.5 & 6.0 are supported.
 
+-  Only alphanumeric, underscore and hyphen symbols for network
+   name are allowed. Network name must contain no more than 43 symbols.
+
 -  The plugin leaves the artefact after removing. See
    :ref:`Removing the VMware DVS plugin <remove-issue>` for details.