diff --git a/python/libs/iEEG.py b/python/libs/iEEG.py
index 54cafa7..901276e 100644
--- a/python/libs/iEEG.py
+++ b/python/libs/iEEG.py
@@ -233,6 +233,8 @@ def to_bids(self,
             m_info['subject_id'] = subject_id
             subject = m_info['subject_id'].replace('_', '').replace('-', '').replace(' ', '')
 
+            if line_freq.isnumeric():
+                line_freq = int(line_freq)
             raw.info['line_freq'] = line_freq
 
             raw._init_kwargs = {
diff --git a/python/libs/loris_api.py b/python/libs/loris_api.py
index 7d3f33d..fbfb23d 100644
--- a/python/libs/loris_api.py
+++ b/python/libs/loris_api.py
@@ -231,6 +231,6 @@ def get_candidate(self, candid):
 
         # validate candid
         if json_resp.get('error'):
-            return {'error': 'CandID is not valid.'}
+            return {'error': 'DCCID is not valid.'}
 
         return json_resp.get('Meta')
diff --git a/src/jsx/Configuration.js b/src/jsx/Configuration.js
index 441ff6c..232c391 100644
--- a/src/jsx/Configuration.js
+++ b/src/jsx/Configuration.js
@@ -783,7 +783,7 @@ const Configuration = (props) => {
       } else {
         if (appContext.getFromTask('participantCandID')) {
           participantCandIDStatus = formatPass(
-              `LORIS CandID: ${state.participantCandID.get}`,
+              `LORIS DCCID: ${state.participantCandID.get}`,
           );
         }
 
@@ -1160,6 +1160,10 @@ const Configuration = (props) => {
    * @param {object|string|boolean} value - element value
    */
   const onUserInput = (name, value) => {
+    if (typeof value === 'string') {
+      value = value.trim();
+    }
+
     // Update the state of Configuration.
     switch (name) {
       case 'recordingID':
@@ -1646,11 +1650,15 @@ const Configuration = (props) => {
               />
             </div>
             <div className='small-pad'>
-              <NumberInput id='lineFreq'
+              <SelectInput id='lineFreq'
                 name='lineFreq'
                 label='Powerline frequency'
                 value={state.lineFreq.get}
-                placeholder='n/a'
+                emptyOption='n/a'
+                options={{
+                  '50': '50',
+                  '60': '60',
+                }}
                 onUserInput={onUserInput}
                 help='See BIDS specification for more information'
               />