diff --git a/imv.c b/imv.c
index c333e49..df9ae6e 100644
--- a/imv.c
+++ b/imv.c
@@ -38,8 +38,10 @@
 ;
 #undef set
 
+// trivial error handling
 void error(char *str) { MessageBox(NULL, str, "imv(stb) error", MB_OK); }
 
+// OutputDebugString with varargs, can be compiled out
 #ifdef _DEBUG
 int do_debug;
 void ods(char *str, ...)
diff --git a/notes.txt b/notes.txt
index 5775f53..c65aa35 100644
--- a/notes.txt
+++ b/notes.txt
@@ -1,4 +1,4 @@
-  Version 0.55 [todo]
+  Version 0.55 (2007-06-27)
     * feature: toggle filename label
     * feature: toggle entire border
     * feature: toggle white stripe in border
diff --git a/version.bat b/version.bat
index 3efb64b..34dab8b 100644
--- a/version.bat
+++ b/version.bat
@@ -1 +1 @@
-set VERSION="0.54"
+set VERSION="0.55"