rtpengine: fix docs typos

modules/rtpengine/doc/rtpengine_admin.xml

@@ -829,7 +829,7 @@ rtpengine_offer("... codec-mask-PCMA codec-strip-opus transcode-opus ...");
 		</para>
 		<para>
 			This parameter can be used to extend the list
-			(see <xref linkend="para_failover"/> of errors the module
+			(see <xref linkend="param_failover"/> of errors the module
 			implicitely fails over.
 		</para>
 		<para>
@@ -881,7 +881,7 @@ modparam("rtpengine", "extra_failover_error", "Parallel session limit reached")
 		<function moreinfo="none">rtpengine_delete([flags[, sock_var]])</function>
 		</title>
 		<para>
-		Tears down the RTPProxy session for the current call.
+		Tears down the RTPEngine session for the current call.
 		</para>
 		<para>
 		See rtpengine_offer() function description above for the meaning of the
@@ -905,7 +905,7 @@ rtpengine_delete();
         <function moreinfo="none">rtpengine_manage([flags[, sock_var[, sdp_var[, body]]]])</function>
         </title>
 		<para>
-		Manage the RTPProxy session - it combines the functionality of
+		Manage the RTPEngine session - it combines the functionality of
 		rtpengine_offer(), rtpengine_answer() and rtpengine_delete(), detecting
 		internally based on message type and method which one to execute.
 		</para>