diff --git a/lib/CLI.js b/lib/CLI.js
index d307c1b5..dd943b20 100644
--- a/lib/CLI.js
+++ b/lib/CLI.js
@@ -790,8 +790,8 @@ CLI.reset = function(process_name, cb) {
         return cb ? cb({msg:err}) : exitCli(cst.ERROR_EXIT);
       }
       if (ids.length === 0) {
-        printError('Unknow process name');
-        return cb ? cb({msg:'Unknow process name'}) : exitCli(cst.ERROR_EXIT);
+        printError('Unknown process name');
+        return cb ? cb({msg:'Unknown process name'}) : exitCli(cst.ERROR_EXIT);
       }
       return processIds(ids, cb);
     });
diff --git a/lib/Configuration.js b/lib/Configuration.js
index 5a3fec4a..20d4fe86 100644
--- a/lib/Configuration.js
+++ b/lib/Configuration.js
@@ -271,7 +271,7 @@ Configuration.get = function(key, cb) {
       return false;
     });
 
-    if (!data) return cb({err : 'Unknow key'}, null);
+    if (!data) return cb({err : 'Unknown key'}, null);
     return cb(null, data);
   });
 };
diff --git a/lib/Interactor/PushInteractor.js b/lib/Interactor/PushInteractor.js
index 3acbbe6f..f3d7a2ba 100644
--- a/lib/Interactor/PushInteractor.js
+++ b/lib/Interactor/PushInteractor.js
@@ -167,7 +167,7 @@ var PushInteractor = module.exports = {
     var logs_limit_size = 1024 * 50;
 
     // if (Object.keys(self._packet).indexOf(event) == -1) {
-    //   return console.error('SKIP unknow field name [%s]', event);
+    //   return console.error('SKIP unknown field name [%s]', event);
     // }
     debug('Buffering one more event %s', event);
 
diff --git a/test/interface/custom-actions.mocha.js b/test/interface/custom-actions.mocha.js
index 62ff9b10..b44d4e7f 100644
--- a/test/interface/custom-actions.mocha.js
+++ b/test/interface/custom-actions.mocha.js
@@ -207,7 +207,7 @@ describe('CUSTOM ACTIONS', function() {
     server.emit('cmd', {
       _type : 'trigger:action',
       process_id : 0,
-      action_name : 'unknow:action'
+      action_name : 'unknown:action'
     });
   });