diff --git a/src/discrete.jl b/src/discrete.jl
index 02ae319..843498d 100644
--- a/src/discrete.jl
+++ b/src/discrete.jl
@@ -31,7 +31,7 @@ ArbitraryDomain(elements) = ArbitraryDomain(Set(elements))
 """
     domain(values)
     domain(range::R) where {T <: Real, R <: AbstractRange{T}}
-Construct either a `SetDomain` or a `RangeDomain``.
+Construct either a `SetDomain` or a `RangeDomain`.
 ```julia
 d1 = domain(1:5)
 d2 = domain([53.69, 89.2, 0.12])