diff --git a/icons/deltaMarker.png b/icons/deltaMarker.png
index 4be3929..cc39fb3 100644
--- a/icons/deltaMarker.png
+++ b/icons/deltaMarker.png
Binary files differ
diff --git a/icons/deltaMarker_tmp.png b/icons/deltaMarker_tmp.png
new file mode 100644
index 0000000..4be3929
--- /dev/null
+++ b/icons/deltaMarker_tmp.png
Binary files differ
diff --git a/plugin.xml b/plugin.xml
index 0923eaf..7f5381a 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -91,12 +91,12 @@
       <perspective
             class="org.ntlab.traceDebugger.TraceDebuggerPerspective"
             id="org.ntlab.traceDebugger.traceDebuggerPerspective"
-            name="TraceDebugger (Forward)">
+            name="トレースデバッガ (順方向)">
       </perspective>
       <perspective
             class="org.ntlab.traceDebugger.TraceDebuggerPerspectiveRelatedDelta"
             id="org.ntlab.traceDebugger.traceDebuggerPerspectiveRelatedDelta"
-            name="TraceDebugger (Reverse)">
+            name="トレースデバッガ (逆方向)">
       </perspective>
    </extension>
    <extension