diff --git a/src/modules/avpops/README b/src/modules/avpops/README
index 27ea1cb2858..c5db16a7fb8 100644
--- a/src/modules/avpops/README
+++ b/src/modules/avpops/README
@@ -599,7 +599,7 @@ avp_copy("$avp(old)","$avp(new)/gd");
    Prints the formatted string 'format' in the AVP 'dest'. The 'format'
    parameter can include any pseudo-variable defined in Kamailio. The list
    with all pseudo-variables in Kamailio can be found at:
-   http://kamailio.org/dokuwiki/.
+   https://www.kamailio.org/wiki/
 
    Meaning of the parameters is as follows:
      * dest - in which AVP should be stored the result. Parameter syntax
diff --git a/src/modules/pv/README b/src/modules/pv/README
index d30fea9c671..28550a113bb 100644
--- a/src/modules/pv/README
+++ b/src/modules/pv/README
@@ -74,7 +74,7 @@ Daniel-Constantin Mierla
    1.15. pv_xavp_to_var() usage
    1.16. pv_xavp_to_var() usage
    1.17. pv.shvSet usage
-   1.18. pv.shvSet usage
+   1.18. pv.shvGet usage
 
 Chapter 1. Admin Guide
 
@@ -116,8 +116,8 @@ Chapter 1. Admin Guide
 1. Overview
 
    This module collects the core pseudo-variables that can be used in
-   configuration file. They are listed in Dokuwiki:
-   http://www.kamailio.org/wiki/, in Pseudo-Variables section
+   configuration file. They are listed in wiki:
+   https://www.kamailio.org/wiki/ in Pseudo-Variables section
 
 2. Dependencies
 
@@ -371,12 +371,14 @@ pv_xavp_print();
 
 4.11.  pv_var_to_xavp(varname, xname)
 
-   Copy script variables values to a xavp.
+   Copy the script variable value into an xavp.
 
    First parameter can be '*' in order to copy all script variables.
    Second parameter is the name of the destination xavp. If xavp already
    exists it will be reset first.
 
+   Both parameters can contain variables that are evaluated at runtime.
+
    Function can be used from ANY_ROUTE.
 
    Example 1.14. pv_var_to_xavp() usage
@@ -395,7 +397,9 @@ $xavp("ok[0]=>foo") now is "foo indeed"
 
 4.12.  pv_xavp_to_var(xname)
 
-   Copy xavp values to vars. Reverse of pv_var_to_xavp().
+   Copy xavp values into vars. Reverse of pv_var_to_xavp().
+
+   Both parameters can contain variables that are evaluated at runtime.
 
    Function can be used from ANY_ROUTE.
 
@@ -457,7 +461,7 @@ $ kamcmd pv.shvSet debug int 3
 
    If no name is given, all shared variables are listed.
 
-   Example 1.18. pv.shvSet usage
+   Example 1.18. pv.shvGet usage
 ...
 $ kamcmd pv.shvGet debug
 ...
diff --git a/src/modules/sdpops/README b/src/modules/sdpops/README
index 573e1fc68af..6e6fa7ff088 100644
--- a/src/modules/sdpops/README
+++ b/src/modules/sdpops/README
@@ -35,7 +35,7 @@ Daniel-Constantin Mierla
               4.7. sdp_with_active_media(type)
               4.8. sdp_remove_media(type)
               4.9. sdp_with_transport(type)
-              4.10. sdp_with_transport_like(string)
+              4.10. sdp_with_transport_like(type)
               4.11. sdp_transport(pv)
               4.12. sdp_remove_transport(type)
               4.13. sdp_with_codecs_by_id(list)
@@ -90,7 +90,7 @@ Chapter 1. Admin Guide
         4.7. sdp_with_active_media(type)
         4.8. sdp_remove_media(type)
         4.9. sdp_with_transport(type)
-        4.10. sdp_with_transport_like(string)
+        4.10. sdp_with_transport_like(type)
         4.11. sdp_transport(pv)
         4.12. sdp_remove_transport(type)
         4.13. sdp_with_codecs_by_id(list)
@@ -142,7 +142,7 @@ Chapter 1. Admin Guide
    4.7. sdp_with_active_media(type)
    4.8. sdp_remove_media(type)
    4.9. sdp_with_transport(type)
-   4.10. sdp_with_transport_like(string)
+   4.10. sdp_with_transport_like(type)
    4.11. sdp_transport(pv)
    4.12. sdp_remove_transport(type)
    4.13. sdp_with_codecs_by_id(list)
@@ -329,26 +329,27 @@ sdp_remove_media("video");
 4.9.  sdp_with_transport(type)
 
    Return true of the SDP has 'media=media port type ...' line. Useful to
-   check the transport of the RTP sessions, such as 'RTP/AVP', 'RTP/SAVP'
-   or 'RTP/SAVPF'. The parameter can be static string or variable holding
-   the transport type.
+   check the transport of the RTP sessions, such as 'RTP/AVP', 'RTP/SAVP',
+   'RTP/SAVPF' or 'UDP/TLS/RTP/SAVPF'. The parameter can be static string
+   or variable holding the transport type. The function does an exact
+   match of the strings.
 
    This function can be used from ANY_ROUTE.
 
    Example 1.9. sdp_with_transport usage
 ...
 # check for RTP/SAVP stream
-if(sdp_with_transport("RTP/SAVP"))
+if(sdp_with_transport("UDP/TLS/RTP/SAVPF"))
 {
-    # the session has a SRTP/SAVP stream
+    # the session has a UDP/TLS/RTP/SAVPF stream
 }
 ...
 
-4.10.  sdp_with_transport_like(string)
+4.10.  sdp_with_transport_like(type)
 
    Returns true if the SDP has 'media=media port type ...' line, where
-   type contains string. The parameter can be static string or variable
-   holding a string.
+   type contains the string in the parameter. The parameter can be static
+   string or variable holding a string.
 
    This function can be used from ANY_ROUTE.
 
diff --git a/src/modules/textops/README b/src/modules/textops/README
index de571f5dabe..44aea97e1f0 100644
--- a/src/modules/textops/README
+++ b/src/modules/textops/README
@@ -992,7 +992,7 @@ if (starts_with("$rU", "+358"))
    The core will take care of the last boundary ending "--". Detecting
    wich one is the last and fixing the others if needed.
 
-   Note: it may be required that msg_apply_changes() from textops module
+   Note: it may be required that msg_apply_changes() from textopsx module
    has to be executed if there are other operations over the new body.
 
    Example 1.37. set_body_multipart usage
diff --git a/src/modules/uac/README b/src/modules/uac/README
index 3747d8c4dd8..c9a1dca942f 100644
--- a/src/modules/uac/README
+++ b/src/modules/uac/README
@@ -380,9 +380,8 @@ modparam("uac","credential","username:domain:password")
    This can be used if the realm upstream will be using is not known in
    advance.
 
-   If you define it, you also need to define “auth_username_avp”
-   (Section 3.10, “auth_username_avp (string)”) and “auth_username_avp”
-   (Section 3.11, “auth_password_avp (string)”).
+   If you define it, you also need to define “auth_username_avp” (???) and
+   “auth_username_avp” (???).
 
    Example 1.9. Set auth_realm_avp parameter
 ...
@@ -394,9 +393,8 @@ modparam("uac","auth_realm_avp","$avp(i:10)")
    The definition of an AVP that might contain the username to be used to
    perform authentication.
 
-   If you define it, you also need to define “auth_realm_avp”
-   (Section 3.9, “auth_realm_avp (string)”) and “auth_username_avp”
-   (Section 3.11, “auth_password_avp (string)”).
+   If you define it, you also need to define “auth_realm_avp” (???) and
+   “auth_username_avp” (???).
 
    Example 1.10. Set auth_username_avp parameter
 ...
@@ -408,9 +406,8 @@ modparam("uac","auth_username_avp","$avp(i:11)")
    The definition of an AVP that might contain the password to be used to
    perform authentication.
 
-   If you define it, you also need to define “auth_password_avp”
-   (Section 3.11, “auth_password_avp (string)”) and “auth_username_avp”
-   (Section 3.11, “auth_password_avp (string)”).
+   If you define it, you also need to define “auth_password_avp” (???) and
+   “auth_username_avp” (???).
 
    Example 1.11. Set auth_password_avp parameter
 ...
@@ -419,7 +416,10 @@ modparam("uac","auth_password_avp","$avp(i:12)")
 
 3.12. reg_db_url (string)
 
-   DB URL to fetch account profiles for registration.
+   DB URL to fetch account profiles for registration. This parameter must
+   be set in order to enable remote registrations feature.
+
+   The default value is "" (no value).
 
    Example 1.12. Set reg_db_url parameter
 ...
diff --git a/src/modules/xlog/README b/src/modules/xlog/README
index 16361de462b..08422c3f339 100644
--- a/src/modules/xlog/README
+++ b/src/modules/xlog/README
@@ -129,7 +129,7 @@ Chapter 1. Admin Guide
        %{[$avp_alias[index]}
 
    The full list of available pseudo-variables in Kamailio is available
-   at: http://kamailio.org/wiki/
+   at: https://www.kamailio.org/wiki/
 
 3. Dependencies