diff --git a/include/linphone/call.h b/include/linphone/call.h
index 6614fb16d..9cbe17ad1 100644
--- a/include/linphone/call.h
+++ b/include/linphone/call.h
@@ -203,9 +203,12 @@ LINPHONE_PUBLIC int linphone_call_take_preview_snapshot(LinphoneCall *call, cons
 **/
 LINPHONE_PUBLIC LinphoneReason linphone_call_get_reason(const LinphoneCall *call);
 
+
 /**
  * Returns full details about call errors or termination reasons.
-**/
+ * @param  call LinphoneCall object on which we want the information error
+ * @return      LinphoneErrorInfo object holding the reason error.
+ */
 LINPHONE_PUBLIC const LinphoneErrorInfo *linphone_call_get_error_info(const LinphoneCall *call);
 
 /**
@@ -381,7 +384,8 @@ LINPHONE_PUBLIC int linphone_call_resume(LinphoneCall *call);
 	
 /**
  * Terminates a call.
- * @param[in] call LinphoneCall object
+ * @param[in] call 	LinphoneCall object
+ * @param[in] ei 	LinphoneErrorInfo 
  * @return 0 on success, -1 on failure
 **/
 LINPHONE_PUBLIC int linphone_call_terminate_with_error_info(LinphoneCall *call, const LinphoneErrorInfo *ei);
diff --git a/include/linphone/error_info.h b/include/linphone/error_info.h
index 8336c7ae8..025a18e66 100644
--- a/include/linphone/error_info.h
+++ b/include/linphone/error_info.h
@@ -112,7 +112,8 @@ LINPHONE_PUBLIC int linphone_error_info_get_protocol_code(const LinphoneErrorInf
 LINPHONE_PUBLIC void linphone_error_info_set(LinphoneErrorInfo *ei, const char *protocol, LinphoneReason reason, int code, const char *status_string, const char *warning);
 	
 /**
- * [linphone_error_info_set_sub_error_info description]
+ * Set the sub_ei in LinphoneErrorInfo to another LinphoneErrorInfo. 
+ * Used when there is more than one reason header.
  * @param[in] ei 		  LinphoneErrorInfo object to which the other LinphoneErrorInfo will be appended as ei->sub_ei.        
  * @param[in] appended_ei LinphoneErrorInfo to append 
  */
diff --git a/tester/call_single_tester.c b/tester/call_single_tester.c
index 5acadc44d..a63347a4a 100644
--- a/tester/call_single_tester.c
+++ b/tester/call_single_tester.c
@@ -1216,13 +1216,13 @@ static void call_declined_with_error(void) {
 	if (in_call) {
 		linphone_call_ref(in_call);
 		linphone_call_decline_with_error(in_call, ei);
-	//	linphone_call_terminate(in_call);
 
 		BC_ASSERT_TRUE(wait_for(caller_mgr->lc,callee_mgr->lc,&callee_mgr->stat.number_of_LinphoneCallEnd,1));
 		BC_ASSERT_TRUE(wait_for(callee_mgr->lc,caller_mgr->lc,&caller_mgr->stat.number_of_LinphoneCallEnd,1));
 
 		rcvd_ei = linphone_call_get_error_info(out_call);
 		sub_rcvd_ei = linphone_error_info_get_sub(rcvd_ei);
+	
 		BC_ASSERT_STRING_EQUAL(linphone_error_info_get_phrase(rcvd_ei), "Decline");
 		BC_ASSERT_STRING_EQUAL(linphone_error_info_get_protocol(rcvd_ei), "SIP");
 		BC_ASSERT_STRING_EQUAL(linphone_error_info_get_phrase(sub_rcvd_ei), "J'ai plus de batterie");