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-rw-r--r--ext/kgio/read_write.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/ext/kgio/read_write.c b/ext/kgio/read_write.c
index 26ef779..330c2f4 100644
--- a/ext/kgio/read_write.c
+++ b/ext/kgio/read_write.c
@@ -374,7 +374,7 @@ static VALUE kgio_write(VALUE io, VALUE str)
 /*
  * call-seq:
  *
- *        io.kgio_trywrite(str)        -> nil or :wait_writable
+ *        io.kgio_trywrite(str)        -> nil, String or :wait_writable
  *
  * Returns nil if the write was completed in full.
  *
@@ -455,7 +455,7 @@ static VALUE s_tryread(int argc, VALUE *argv, VALUE mod)
 /*
  * call-seq:
  *
- *        Kgio.trywrite(io, str)    -> nil or :wait_writable
+ *        Kgio.trywrite(io, str)    -> nil, String or :wait_writable
  *
  * Returns nil if the write was completed in full.
  *