diff --git a/platform/platform-api/src/com/intellij/ui/tabs/JBTabs.java b/platform/platform-api/src/com/intellij/ui/tabs/JBTabs.java
index d4640218b12b..c263be580500 100644
--- a/platform/platform-api/src/com/intellij/ui/tabs/JBTabs.java
+++ b/platform/platform-api/src/com/intellij/ui/tabs/JBTabs.java
@@ -115,12 +115,12 @@ public interface JBTabs extends SwitchProvider {
   
   boolean isEditorTabs();
 
-  JBTabs setNavigationActiondBinding(String prevActiobId, String nextActionId);
+  JBTabs setNavigationActionBinding(String prevActiobId, String nextActionId);
   JBTabs setNavigationActionsEnabled(boolean enabled);
 
   boolean isDisposed();
 
-  JBTabs setAdditinalSwitchProviderWhenOriginal(SwitchProvider delegate);
+  JBTabs setAdditionalSwitchProviderWhenOriginal(SwitchProvider delegate);
 
   Image getComponentImage(TabInfo info);
 
diff --git a/platform/platform-api/src/com/intellij/ui/tabs/impl/JBTabsImpl.java b/platform/platform-api/src/com/intellij/ui/tabs/impl/JBTabsImpl.java
index 38a09b8be676..3484decdc008 100644
--- a/platform/platform-api/src/com/intellij/ui/tabs/impl/JBTabsImpl.java
+++ b/platform/platform-api/src/com/intellij/ui/tabs/impl/JBTabsImpl.java
@@ -285,7 +285,7 @@ public class JBTabsImpl extends JComponent
   }
 
 
-  public JBTabs setNavigationActiondBinding(String prevActionId, String nextActionId) {
+  public JBTabs setNavigationActionBinding(String prevActionId, String nextActionId) {
     if (myNextAction != null) {
       myNextAction.reconnect(nextActionId);
     }
@@ -313,7 +313,7 @@ public class JBTabsImpl extends JComponent
     return myDisposed;
   }
 
-  public JBTabs setAdditinalSwitchProviderWhenOriginal(SwitchProvider delegate) {
+  public JBTabs setAdditionalSwitchProviderWhenOriginal(SwitchProvider delegate) {
     mySwitchDelegate = delegate;
     return this;
   }
diff --git a/platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/EditorTabbedContainer.java b/platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/EditorTabbedContainer.java
index 7e1a872618ee..787ca3b30d0f 100644
--- a/platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/EditorTabbedContainer.java
+++ b/platform/platform-impl/src/com/intellij/openapi/fileEditor/impl/EditorTabbedContainer.java
@@ -109,7 +109,7 @@ final class EditorTabbedContainer implements Disposable, CloseAction.CloseTarget
             newEditor.selectNotify();
           }
         }
-      }).setAdditinalSwitchProviderWhenOriginal(new MySwitchProvider())
+      }).setAdditionalSwitchProviderWhenOriginal(new MySwitchProvider())
     .setSelectionChangeHandler(new JBTabs.SelectionChangeHandler() {
       @Override
       public ActionCallback execute(TabInfo info, boolean requestFocus, final ActiveRunnable doChangeSelection) {
diff --git a/platform/platform-impl/src/com/intellij/ui/JBTabsPaneImpl.java b/platform/platform-impl/src/com/intellij/ui/JBTabsPaneImpl.java
index 9d7ae9799e43..503a94745cc0 100644
--- a/platform/platform-impl/src/com/intellij/ui/JBTabsPaneImpl.java
+++ b/platform/platform-impl/src/com/intellij/ui/JBTabsPaneImpl.java
@@ -63,7 +63,7 @@ public class JBTabsPaneImpl implements TabbedPane, SwingConstants {
   }
 
   public void setKeyboardNavigation(PrevNextActionsDescriptor installKeyboardNavigation) {
-    myTabs.setNavigationActiondBinding(installKeyboardNavigation.getPrevActionId(), installKeyboardNavigation.getNextActionId());
+    myTabs.setNavigationActionBinding(installKeyboardNavigation.getPrevActionId(), installKeyboardNavigation.getNextActionId());
   }
 
   public void addChangeListener(ChangeListener listener) {