diff --git a/ChangeLog b/ChangeLog
index eceeae327f..ab916d7427 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Fri Nov  9 09:30:00 2012  Zachary Scott  <zachary@zacharyscott.net>
+
+	* io.c (IO#new):
+	  Fix indentation from r37444
+	  [ruby-core:48052] [Bug #7179]
+
 Thu Nov  9 07:36:00 2012  Kenta Murata  <mrkn@mrkn.jp>
 
 	* bignum.c (bigmul0): enable big_mul_toom3.
diff --git a/io.c b/io.c
index a259058fa9..5cd50d8f23 100644
--- a/io.c
+++ b/io.c
@@ -6962,7 +6962,7 @@ rb_io_stdio_file(rb_io_t *fptr)
  *
  *  Ruby allows the following open modes:
  *
- *	"r"  Read-only, starts at beginning of file  (default mode).
+ *  	"r"  Read-only, starts at beginning of file  (default mode).
  *
  *  	"r+" Read-write, starts at beginning of file.
  *
@@ -6982,7 +6982,7 @@ rb_io_stdio_file(rb_io_t *fptr)
  *  The following modes must be used separately, and along with one or more of
  *  the modes seen above.
  *
- *	"b"  Binary file mode
+ *  	"b"  Binary file mode
  *  	     Suppresses EOL <-> CRLF conversion on Windows. And
  *  	     sets external encoding to ASCII-8BIT unless explicitly
  *  	     specified.