diff --git a/base/reflection.jl b/base/reflection.jl
index 51c7450da6978..c0ce88531a2c8 100644
--- a/base/reflection.jl
+++ b/base/reflection.jl
@@ -251,6 +251,7 @@ true
 
 julia> isconcrete(Vector{Complex{Float32}})
 true
+```
 """
 isconcrete(t::ANY) = (@_pure_meta; isa(t, DataType) && t.isconcrete)