diff --git a/src/FillArrays.jl b/src/FillArrays.jl
index b5b9476a..66dad480 100644
--- a/src/FillArrays.jl
+++ b/src/FillArrays.jl
@@ -236,11 +236,11 @@ end
 # Iterators
 Iterators.rest(F::AbstractFill, (_,n)) = fillsimilar(F, n <= 0 ? 0 : max(length(F)-n, 0))
 function Iterators.drop(F::AbstractFill, n::Integer)
-    n >= 0 || throw(ArgumentError("Drop length must be nonnegative"))
+    n >= 0 || throw(ArgumentError("drop length must be nonnegative"))
     fillsimilar(F, max(length(F)-n, 0))
 end
 function Iterators.take(F::AbstractFill, n::Integer)
-    n >= 0 || throw(ArgumentError("Take length must be nonnegative"))
+    n >= 0 || throw(ArgumentError("take length must be nonnegative"))
     fillsimilar(F, min(n, length(F)))
 end
 Base.rest(F::AbstractFill, s) = Iterators.rest(F, s)