reg(k): fix a (probably) copy and paste error

modules_k/registrar/README

@@ -110,7 +110,7 @@ Bogdan-Andre Iancu
    1.25. registered usage
    1.26. registered usage
    1.27. registered usage
-   1.28. $sht(name) usage
+   1.28. $ulc(name) usage
 
 Chapter 1. Admin Guide
 
@@ -787,7 +787,7 @@ reg_free_contacts("callee");
    The pseudo-variable accepts positive index value to access a specific
    contact record.
 
-   Example 1.28. $sht(name) usage
+   Example 1.28. $ulc(name) usage
 ...
 if(reg_fetch_contacts("location", "$fu", "caller"))
 {

modules_k/registrar/doc/registrar_admin.xml

@@ -1076,7 +1076,7 @@ reg_free_contacts("callee");
 			</para>
 
 			<example>
-			<title><function moreinfo="none">$sht(name)</function> usage</title>
+			<title><function moreinfo="none">$ulc(name)</function> usage</title>
 <programlisting format="linespecific">
 ...
 if(reg_fetch_contacts("location", "$fu", "caller"))