diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9b5d87f..6dbd159 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -29,7 +29,7 @@ jobs:
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v1
+      - uses: julia-actions/cache@v2
         env:
           cache-name: cache-artifacts
         with:
diff --git a/Project.toml b/Project.toml
index 86200d1..6bec05e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MLJIteration"
 uuid = "614be32b-d00c-4edb-bd02-1eb411ab5e55"
 authors = ["Anthony D. Blaom <anthony.blaom@gmail.com>"]
-version = "0.6.3"
+version = "0.6.4"
 
 [deps]
 IterationControl = "b3c1a2ee-3fec-4384-bf48-272ea71de57c"
diff --git a/src/constructors.jl b/src/constructors.jl
index 8ebffa1..2581bb9 100644
--- a/src/constructors.jl
+++ b/src/constructors.jl
@@ -98,10 +98,10 @@ Available controls: $CONTROLS_LIST.
 
 # Options
 
-- `controls=$DEFAULT_CONTROLS`: Controls are summarized at
-  [https://JuliaAI.github.io/MLJ.jl/dev/getting_started/](https://JuliaAI.github.io/MLJ.jl/dev/controlling_iterative_models/)
+- `controls=$DEFAULT_CONTROLS`: Controls are summarized at the
+  "[Controls-provided](https://juliaai.github.io/MLJ.jl/dev/controlling_iterative_models/#Controls-provided)" section,
   but query individual doc-strings for details and advanced options. For creating your own
-  controls, refer to the documentation just cited.
+  controls, refer to the "[Custom controls](https://juliaai.github.io/MLJ.jl/dev/controlling_iterative_models/#Custom-controls)" section.
 
 - `resampling=Holdout(fraction_train=0.7)`: The default resampling holds back 30% of data
   for computing an out-of-sample estimate of performance (the "loss") for loss-based