diff --git a/react/components/Preview.jsx b/react/components/Preview.jsx
index 6c0b8a67..8b17714b 100644
--- a/react/components/Preview.jsx
+++ b/react/components/Preview.jsx
@@ -10,12 +10,10 @@ class Preview extends React.Component {
     };
     this.previewFile = this.previewFile.bind(this);
   }
-  componentWillMount () {
-    console.log('Preview will mount');
+  componentDidMount () {
     this.previewFile(this.props.file);
   }
   componentWillReceiveProps (newProps) {
-    console.log('Preview will receive props', newProps);
     if (newProps.file !== this.props.file) {
       this.previewFile(newProps.file);
     }
diff --git a/react/components/ProgressBar.jsx b/react/components/ProgressBar.jsx
index 3efc7fb0..9084a221 100644
--- a/react/components/ProgressBar.jsx
+++ b/react/components/ProgressBar.jsx
@@ -21,7 +21,7 @@ class ProgressBar extends React.Component {
     this.updateProgressBar = this.updateProgressBar.bind(this);
     this.stopProgressBar = this.stopProgressBar.bind(this);
   }
-  componentWillMount () {
+  componentDidMount () {
     const bars = [];
     for (let i = 0; i <= this.state.size; i++) {
       bars.push(<InactiveBar key={i} />);
diff --git a/react/components/PublishUrlMiddle.jsx b/react/components/PublishUrlMiddle.jsx
index 9e049fe1..3aff973b 100644
--- a/react/components/PublishUrlMiddle.jsx
+++ b/react/components/PublishUrlMiddle.jsx
@@ -16,8 +16,8 @@ function UrlMiddle ({publishInChannel, loggedInChannelName, loggedInChannelShort
 
 UrlMiddle.propTypes = {
   publishInChannel      : PropTypes.bool.isRequired,
-  loggedInChannelName   : PropTypes.string.isRequired,
-  loggedInChannelShortId: PropTypes.string.isRequired,
+  loggedInChannelName   : PropTypes.string,
+  loggedInChannelShortId: PropTypes.string,
 };
 
 export default UrlMiddle;
diff --git a/react/containers/ChannelSelect/view.jsx b/react/containers/ChannelSelect/view.jsx
index ea0f3999..745949de 100644
--- a/react/containers/ChannelSelect/view.jsx
+++ b/react/containers/ChannelSelect/view.jsx
@@ -15,8 +15,7 @@ class ChannelSelect extends React.Component {
     this.handleSelection = this.handleSelection.bind(this);
     this.selectOption = this.selectOption.bind(this);
   }
-  componentWillMount () {
-    console.log('ChannelSelector will mount');
+  componentDidMount () {
     if (this.props.loggedInChannelName) {
       this.selectOption(this.props.loggedInChannelName);
     }
diff --git a/react/containers/PublishForm/view.jsx b/react/containers/PublishForm/view.jsx
index ada35635..d0d270f9 100644
--- a/react/containers/PublishForm/view.jsx
+++ b/react/containers/PublishForm/view.jsx
@@ -15,7 +15,7 @@ class PublishForm extends React.Component {
     this.makePublishRequest = this.makePublishRequest.bind(this);
     this.publish = this.publish.bind(this);
   }
-  componentWillMount () {
+  componentDidMount () {
     // check for whether a channel is already logged in
     const loggedInChannelName = getCookie('channel_name');
     const loggedInChannelShortId = getCookie('short_channel_id');
diff --git a/react/containers/PublishUrlInput/view.jsx b/react/containers/PublishUrlInput/view.jsx
index 8bb1c22d..b01742e2 100644
--- a/react/containers/PublishUrlInput/view.jsx
+++ b/react/containers/PublishUrlInput/view.jsx
@@ -14,7 +14,7 @@ class PublishUrlInput extends React.Component {
     this.setClaimNameFromFileName = this.setClaimNameFromFileName.bind(this);
     this.checkClaimIsAvailable = this.checkClaimIsAvailable.bind(this);
   }
-  componentWillMount () {
+  componentDidMount () {
     if (!this.props.claim || this.props.claim === '') {
       this.setClaimNameFromFileName();
     }
diff --git a/react/utils/file.js b/react/utils/file.js
index 4a054f33..7d2c706d 100644
--- a/react/utils/file.js
+++ b/react/utils/file.js
@@ -21,7 +21,7 @@ module.exports = {
       case 'image/gif':
         if (file.size > 50000000) {
           console.log('file was too big');
-          throw new Error('Sorry, .gifs are limited to 50 megabytes.');
+          throw new Error('Sorry, GIFs are limited to 50 megabytes.');
         }
         break;
       case 'video/mp4':