diff --git a/examples/WORKSPACE b/examples/WORKSPACE
index b6f055ede9..65ae2c98e2 100644
--- a/examples/WORKSPACE
+++ b/examples/WORKSPACE
@@ -107,5 +107,8 @@ stack_snapshot(
         "text-show",
     ],
     snapshot = "lts-14.0",
+    # Pin Stackage dependencies with `bazel run @stackage-unpinned//:pin`.
+    # And uncomment the following line.
+    # stack_snapshot_json = "//:stackage_snapshot.json",
     vendored_packages = {"split": "@split//:split"},
 )
diff --git a/start b/start
index 81ab13a48f..04214a0b63 100755
--- a/start
+++ b/start
@@ -271,8 +271,12 @@ stack_snapshot(
     name = "stackage",
     extra_deps = {"zlib": ["@zlib.dev//:zlib"]},
     packages = ["zlib"],
-    snapshot = "lts-14.27", # Last snapshot published for ghc-8.6.5
-    # the default version picked up by rules_haskell
+    # Last snapshot published for ghc-8.6.5 the default version picked up by
+    # rules_haskell
+    snapshot = "lts-14.27",
+    # Pin Stackage dependencies with \`bazel run @stackage-unpinned//:pin\`.
+    # And uncomment the following line.
+    # stack_snapshot_json = "//:stackage_snapshot.json",
 )
 
 $(get_toolchain)