diff --git a/ipc/rpc/src/interface.rs b/ipc/rpc/src/interface.rs
index c3e82fef4..846b7c1b6 100644
--- a/ipc/rpc/src/interface.rs
+++ b/ipc/rpc/src/interface.rs
@@ -52,7 +52,7 @@ pub trait IpcConfig {
 /// Error in dispatching or invoking methods via IPC
 #[derive(Debug)]
 pub enum Error {
-	UnkownSystemCall,
+	UnknownSystemCall,
 	ClientUnsupported,
 	RemoteServiceUnsupported,
 	HandshakeFailed,
diff --git a/js/src/jsonrpc/interfaces/shh.js b/js/src/jsonrpc/interfaces/shh.js
index 7084aa3bf..762029af6 100644
--- a/js/src/jsonrpc/interfaces/shh.js
+++ b/js/src/jsonrpc/interfaces/shh.js
@@ -163,7 +163,7 @@ export default {
     ],
     returns: {
       type: Data,
-      desc: '`true` on successful removal, `false` on unkown identity'
+      desc: '`true` on successful removal, `false` on unknown identity'
     }
   },
 
@@ -285,7 +285,7 @@ export default {
     }],
     returns: {
       type: Boolean,
-      desc: '`true` on success, `false` on unkown subscription ID.'
+      desc: '`true` on success, `false` on unknown subscription ID.'
     }
   }
 };
diff --git a/js/src/secureApi.js b/js/src/secureApi.js
index 1d40cb9f7..ebb1870e7 100644
--- a/js/src/secureApi.js
+++ b/js/src/secureApi.js
@@ -248,7 +248,7 @@ export default class SecureApi extends Api {
           .then(() => true);
       })
       .catch((error) => {
-        log.error('unkown error in _connect', error);
+        log.error('unknown error in _connect', error);
         return false;
       });
   }
diff --git a/js/src/ui/Form/TypedInput/typedInput.js b/js/src/ui/Form/TypedInput/typedInput.js
index e9f9c7eee..e745cf593 100644
--- a/js/src/ui/Form/TypedInput/typedInput.js
+++ b/js/src/ui/Form/TypedInput/typedInput.js
@@ -88,7 +88,7 @@ export default class TypedInput extends Component {
       return this.renderParam(param);
     }
 
-    console.error('<TypedInput>', `unkown "${param}" param passed to props`);
+    console.error('<TypedInput>', `unknown "${param}" param passed to props`);
     return null;
   }
 
diff --git a/js/src/util/notifications.js b/js/src/util/notifications.js
index 74732cac2..d153b2cce 100644
--- a/js/src/util/notifications.js
+++ b/js/src/util/notifications.js
@@ -17,12 +17,12 @@
 import Push from 'push.js';
 import BigNumber from 'bignumber.js';
 
-import unkownIcon from '~/../assets/images/contracts/unknown-64x64.png';
+import unknownIcon from '~/../assets/images/contracts/unknown-64x64.png';
 
 export function notifyTransaction (account, token, _value, onClick) {
   const name = account.name || account.address;
   const value = _value.div(new BigNumber(token.format || 1));
-  const icon = token.image || unkownIcon;
+  const icon = token.image || unknownIcon;
 
   let _notification = null;