Merge pull request #840 from mslehto/doctypo

Random collection of typo fixes

modules/crypto/doc/crypto_admin.xml

@@ -91,7 +91,7 @@ modparam("crypto", "salt", "l0Bh2M8a")
 			of callid values for requests generated by &kamailio; tm module.
 		</para>
 		<para>
-			This callid genrator uses libssl random and hashing functions
+			This callid generator uses libssl random and hashing functions
 			for generating RFC 4122 version 4 UUID with high quality entropy.
 			It is useful when wanting to have new callids that cannot be
 			predicted from previous values.

modules/dispatcher/doc/dispatcher_admin.xml

@@ -641,7 +641,7 @@ modparam("dispatcher", "force_dst", 1)
 			that are generated locally. E.g.: setting code=408 or class=400 will never set
 			a backend down even if it is, because internally the Kamailio transaction layer
 			generates a 408 in the case of no response from the remote server, and this 
-			internal code 408 is accepted as vaild value.
+			internal code 408 is accepted as valid value.
  		</para>
  		<para>
  		<emphasis>

modules/nathelper/doc/nathelper_admin.xml

@@ -49,8 +49,8 @@
 	<itemizedlist>
 		<listitem>
 			<para>
-			<emphasis>UDP package</emphasis> - 4 bytes (zero filled) UDP 
-			packages are sent to the contact address.
+			<emphasis>UDP packet</emphasis> - 4 bytes (zero filled) UDP 
+			packets are sent to the contact address.
 			</para>
 			<itemizedlist>
 				<listitem>
@@ -265,7 +265,7 @@ modparam("nathelper", "received_avp", "$avp(i:42)")
 		<para>
 		Which branch flag should be used by the module to identify NATed 
 		contacts for which it should perform NAT ping via a SIP request 
-		instead if dummy UDP package.
+		instead of dummy UDP packet.
 		</para>
 		<para>
 		<emphasis>

modules/sanity/doc/sanity_admin.xml

@@ -160,7 +160,7 @@ modparam("sanity", "default_checks", 1)
 	</para>
 	<para>
 		Default value is 7. This resolves to the following list of
-		parsed URIs: Request RUI (1), From URI (2) and To URI (4).
+		parsed URIs: Request URI (1), From URI (2) and To URI (4).
 	</para>
 	<example>
 	    <title>Set <varname>uri_checks</varname> parameter</title>