[ruby/timeout] updated doc string

https://github.com/ruby/timeout/commit/4be6423de4

Co-authored-by: Jeremy Evans <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/timeout.rb b/lib/timeout.rb
index ae3ac8c5ae..4ba07e7c5c 100644
--- a/lib/timeout.rb
+++ b/lib/timeout.rb
@@ -144,7 +144,7 @@ module Timeout
   # +sec+:: Number of seconds to wait for the block to terminate. Any non-negative number
   #         or nil may be used, including Floats to specify fractional seconds. A
   #         value of 0 or +nil+ will execute the block without any timeout.
-  #         Any negative value will raise the ArgumentError
+  #         Any negative number will raise an ArgumentError.
   # +klass+:: Exception Class to raise if the block fails to terminate
   #           in +sec+ seconds.  Omitting will use the default, Timeout::Error
   # +message+:: Error message to raise with Exception Class.