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-rw-r--r--doc/ractor.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/ractor.md b/doc/ractor.md
index 843754c263..be1b220826 100644
--- a/doc/ractor.md
+++ b/doc/ractor.md
@@ -393,7 +393,7 @@ TODO: `select` syntax of go-language uses round-robin technique to make fair sch
* `Ractor#close_incoming/outgoing` close incoming/outgoing ports (similar to `Queue#close`).
* `Ractor#close_incoming`
- * `r.send(obj) ` where `r`'s incoming port is closed, will raise an exception.
+ * `r.send(obj)` where `r`'s incoming port is closed, will raise an exception.
* When the incoming queue is empty and incoming port is closed, `Ractor.receive` raises an exception. If the incoming queue is not empty, it dequeues an object without exceptions.
* `Ractor#close_outgoing`
* `Ractor.yield` on a Ractor which closed the outgoing port, it will raise an exception.