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-rw-r--r--ext/io/wait/wait.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/ext/io/wait/wait.c b/ext/io/wait/wait.c
index f7a7508eeb..d846bba49e 100644
--- a/ext/io/wait/wait.c
+++ b/ext/io/wait/wait.c
@@ -95,10 +95,9 @@ io_nread(VALUE io)
/*
* call-seq:
- * io.ready? -> true, false or nil
+ * io.ready? -> true or false
*
* Returns true if input available without blocking, or false.
- * Returns nil if no information available.
*/
static VALUE