diff --git a/doc/tex/channelvariables.tex b/doc/tex/channelvariables.tex
index 6e04d48654..10fa7fa9da 100644
--- a/doc/tex/channelvariables.tex
+++ b/doc/tex/channelvariables.tex
@@ -918,7 +918,7 @@ ${CALLTYPE}           * Type of call (Speech, Digital, etc)
 ${CALLEDTON}          * Type of number for incoming PRI extension
                         i.e. 0=unknown, 1=international, 2=domestic, 3=net_specific,
                         4=subscriber, 6=abbreviated, 7=reserved
-${CALLINGSUBADDR}     * Called PRI Subaddress
+${CALLINGSUBADDR}     * Caller's PRI Subaddress
 ${FAXEXTEN}           * The extension called before being redirected to "fax"
 ${PRIREDIRECTREASON}  * Reason for redirect, if a call was directed
 ${SMDI_VM_TYPE}       * When an call is received with an SMDI message, the 'type'