diff --git a/.travis.yml b/.travis.yml
index 4ad1e3bc..8c4edfa4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,7 +16,7 @@ jobs:
   include:
     - if: branch = master OR tag IS present
       stage: "Documentation"
-      julia: 1.3
+      julia: 1.2
       os: linux
       # disable global before_script in order not to install Compose twice
       before_script:
diff --git a/Project.toml b/Project.toml
index 7755a6bb..cdafa7dc 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MLJBase"
 uuid = "a7f614a8-145f-11e9-1d2a-a57a1082229d"
 authors = ["Anthony D. Blaom <anthony.blaom@gmail.com>"]
-version = "0.12.3"
+version = "0.12.4"
 
 [deps]
 CategoricalArrays = "324d7699-5711-5eae-9e2f-1d82baa6b597"
@@ -32,7 +32,7 @@ Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 [compat]
 CategoricalArrays = "^0.7.3"
 ComputationalResources = "^0.3"
-Distributions = "^0.22"
+Distributions = "^0.22,^0.23"
 HTTP = "^0.8"
 InvertedIndices = "^1"
 JLSO = "^2.1"
diff --git a/src/hyperparam/one_dimensional_range_methods.jl b/src/hyperparam/one_dimensional_range_methods.jl
index a1760e43..22428de3 100644
--- a/src/hyperparam/one_dimensional_range_methods.jl
+++ b/src/hyperparam/one_dimensional_range_methods.jl
@@ -181,11 +181,10 @@ range `r`.
 
 Only types `D` in the table below are supported.
 
-The distribution `d` is constructed in two stages. First the
-attributes `r.origin` and `r.unit` are used to fit a distributon `d0`
-characterized by the conditions in the second column of the
-table. Then `d0` is truncated between `r.lower` and `r.upper` to
-obtain `d`.
+The distribution `d` is constructed in two stages. First, a
+distributon `d0`, characterized by the conditions in the second column
+of the table, is fit to `r`. Then `d0` is truncated between `r.lower`
+and `r.upper` to obtain `d`.
 
 Distribution type `D`  | Characterization of `d0`
 :----------------------|:-------------------------