diff --git a/modules/jsonrpc-c/README b/modules/jsonrpc-c/README
index fcddab08d37..20676eea931 100644
--- a/modules/jsonrpc-c/README
+++ b/modules/jsonrpc-c/README
@@ -77,9 +77,6 @@ Chapter 1. Admin Guide
    2.1. Kamailio Modules
    2.2. External Libraries or Applications
 
-   This module uses Linux specific API, it might not compile on other
-   types of operating systems.
-
 2.1. Kamailio Modules
 
    The following modules must be loaded before this module:
@@ -87,10 +84,14 @@ Chapter 1. Admin Guide
 
 2.2. External Libraries or Applications
 
+   Note: this module uses Linux specific API, part of glibc library, it
+   might not compile on other types of operating systems.
+
    The following libraries or applications must be installed before
    running Kamailio with this module loaded:
      * libjson (https://github.com/json-c/json-c/wiki)
      * libevent - http://libevent.org/
+     * glibc - http://www.gnu.org/software/libc/ (v2.8 or higher)
 
 3. Parameters
 
diff --git a/modules/jsonrpc-c/doc/jsonrpc-c_admin.xml b/modules/jsonrpc-c/doc/jsonrpc-c_admin.xml
index c27508b0fc8..5776d5c47c1 100644
--- a/modules/jsonrpc-c/doc/jsonrpc-c_admin.xml
+++ b/modules/jsonrpc-c/doc/jsonrpc-c_admin.xml
@@ -32,10 +32,6 @@
 
 	<section>
 		<title>Dependencies</title>
-		<para>
-			This module uses Linux specific API, it might not compile on other
-			types of operating systems.
-		</para>
 		<section>
 			<title>&kamailio; Modules</title>
 			<para>
@@ -51,6 +47,10 @@
 		</section>
 		<section>
 			<title>External Libraries or Applications</title>
+			<para>
+				Note: this module uses Linux specific API, part of glibc library,
+				it might not compile on other types of operating systems.
+			</para>
 			<para>
 				The following libraries or applications must be installed before running
 				&kamailio; with this module loaded:
@@ -65,6 +65,12 @@
 							<emphasis>libevent</emphasis> - http://libevent.org/
 						</para>
 					</listitem>
+					<listitem>
+						<para>
+							<emphasis>glibc</emphasis> - http://www.gnu.org/software/libc/
+							(v2.8 or higher)
+						</para>
+					</listitem>
 				</itemizedlist>
 			</para>
 		</section>