1 files changed, 1 insertions, 1 deletions
diff --git a/error.c b/error.c
index 1a50f6f82b..0901878533 100644
--- a/error.c
+++ b/error.c
@@ -845,7 +845,7 @@ rb_invalid_str(const char *str, const char *type)
  *  The full list of operating system errors on your particular platform
  *  are available as the constants of <code>Errno</code>.
  *
- *     Errno.constants   #=> E2BIG, EACCES, EADDRINUSE, EADDRNOTAVAIL, ...
+ *     Errno.constants   #=> :E2BIG, :EACCES, :EADDRINUSE, :EADDRNOTAVAIL, ...
  */
 
 static st_table *syserr_tbl;