diff --git a/src/modules/ims_charging/README b/src/modules/ims_charging/README
index 2d26fbaa4f4..15941a0dfaa 100644
--- a/src/modules/ims_charging/README
+++ b/src/modules/ims_charging/README
@@ -66,7 +66,7 @@ Carlos Ruiz Diaz
         5. Functions
 
               5.1. Ro_CCR(route_name, direction, reservation_units,
-                      domain, incoming_trunk_id, outgoing_trunk_id
+                      incoming_trunk_id, outgoing_trunk_id)
 
               5.2. Ro_set_session_id_avp()
 
@@ -163,8 +163,8 @@ Chapter 1. Admin Guide
 
    5. Functions
 
-        5.1. Ro_CCR(route_name, direction, reservation_units, domain,
-                incoming_trunk_id, outgoing_trunk_id
+        5.1. Ro_CCR(route_name, direction, reservation_units,
+                incoming_trunk_id, outgoing_trunk_id)
 
         5.2. Ro_set_session_id_avp()
 
@@ -689,13 +689,13 @@ modparam("ims_charging", "custom_user_avp", "$avp(from_user)")
 
 5. Functions
 
-   5.1. Ro_CCR(route_name, direction, reservation_units, domain,
-          incoming_trunk_id, outgoing_trunk_id
+   5.1. Ro_CCR(route_name, direction, reservation_units,
+          incoming_trunk_id, outgoing_trunk_id)
 
    5.2. Ro_set_session_id_avp()
 
-5.1. Ro_CCR(route_name, direction, reservation_units, domain,
-incoming_trunk_id, outgoing_trunk_id
+5.1. Ro_CCR(route_name, direction, reservation_units, incoming_trunk_id,
+outgoing_trunk_id)
 
    Perform a CCR on Diameter Ro interface for Charging
 
@@ -704,7 +704,6 @@ incoming_trunk_id, outgoing_trunk_id
      * direction "orig"inating or "term"inating
      * reservation_units how many units (at the moment seconds) should be
        reservated at the moment.
-     * domain Logical domain within registrar.
      * incoming_trunk_id Identifies the trunk group from which this
        originates.
      * outgoing_trunk_id Identifies the trunk group where this will be
diff --git a/src/modules/topos/README b/src/modules/topos/README
index c9211171319..a9bd0d83279 100644
--- a/src/modules/topos/README
+++ b/src/modules/topos/README
@@ -161,7 +161,7 @@ modparam("topos", "mask_callid", 1)
 
 3.4. sanity_checks (int)
 
-   If set to 1, topoh module will bind to sanity module in order to
+   If set to 1, topos module will bind to sanity module in order to
    perform sanity checks over received SIP request. Default sanity checks
    are done. It is useful to check if received request is well formated
    before proceeding to encoding/decoding.
@@ -170,7 +170,7 @@ modparam("topos", "mask_callid", 1)
 
    Example 1.4. Set sanity_checks parameter
 ...
-modparam("topoh", "sanity_checks", 1)
+modparam("topos", "sanity_checks", 1)
 ...
 
 3.5. branch_expire (int)
diff --git a/src/modules/websocket/README b/src/modules/websocket/README
index 158248654ac..6421646e09b 100644
--- a/src/modules/websocket/README
+++ b/src/modules/websocket/README
@@ -203,7 +203,7 @@ event_route[xhttp:request] {
                 # Optional... perform HTTP authentication
 
                 # ws_handle_handshake() exits (no further configuration file
-                # processing of the request) when complete.
+                # processing of the request) when complete in case of failure.
                 if (ws_handle_handshake())
                 {
                         # Optional... cache some information about the
@@ -500,7 +500,8 @@ end
 Note
 
    This function returns 0, stopping all further processing of the
-   request, when there is a problem.
+   request, when there is a problem. Otherwise, it returns 1 (or positive
+   number) in case of success.
 
    Example 1.12. ws_handle_handshake usage
 ...