diff --git a/Info.plist b/Info.plist
index b9a718e..bb18af6 100644
--- a/Info.plist
+++ b/Info.plist
@@ -17,7 +17,7 @@
   <key>CFBundleSignature</key>
   <string>????</string>
   <key>CFBundleVersion</key>
-  <string>plus-1.0a9</string>
+  <string>plus-1.0a10</string>
   <key>NSPrincipalClass</key>
   <string>MouseTerm</string>
   <key>SIMBLTargetApplications</key>
diff --git a/MTParser.m b/MTParser.m
index 3928a8d..6ab3a89 100644
--- a/MTParser.m
+++ b/MTParser.m
@@ -211,7 +211,7 @@ static void osc11_get(MTShell *shell)
     r = components[0] * 0xffff;
     g = components[1] * 0xffff;
     b = components[2] * 0xffff;
-    NSString *spec = [NSString stringWithFormat: @"\033]10;rgb:%04x/%04x/%04x\033\\", r, g, b];
+    NSString *spec = [NSString stringWithFormat: @"\033]11;rgb:%04x/%04x/%04x\033\\", r, g, b];
     [(TTShell*) shell writeData: [NSData dataWithBytes: [spec UTF8String]
                                                 length: spec.length]];
 }
diff --git a/README.md b/README.md
index 0f7fbbd..8f77eb4 100644
--- a/README.md
+++ b/README.md
@@ -63,7 +63,7 @@ Additionally, this project does:
 * Support xterm's *foreground text color operation sequences*: OSC 10/110.
   Used by [MinEd][5].
 * Support xterm's *background text color operation sequences*: OSC 11/111.
-  Used by [Emacs][8], [MinEd][5].
+  Used by [Emacs][8], [MinEd][5], [Vim][7].
 * Support xterm's *cursor color operation sequences*: OSC 12/112.
   [tmux][6] uses it at startup time.
 * Support *"PASTE64"*: OSC 52 clipboard accsess(get access/set access).