diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index aea623435..42136b467 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -1603,7 +1603,8 @@ static RegisterPrimOp primop_placeholder({
  *************************************************************/
 
 
-/* Convert the argument to a path.  !!! obsolete? */
+/* Convert the argument to a path and then to a string (confusing,
+   eh?).  !!! obsolete? */
 static void prim_toPath(EvalState & state, const PosIdx pos, Value * * args, Value & v)
 {
     NixStringContext context;
@@ -2614,13 +2615,13 @@ static void prim_path(EvalState & state, const PosIdx pos, Value * * args, Value
             expectedHash = newHashAllowEmpty(state.forceStringNoCtx(*attr.value, attr.pos, "while evaluating the `sha256` attribute passed to builtins.path"), HashAlgorithm::SHA256);
         else
             state.error<EvalError>(
-                "unsupported argument '%1%' to 'addPath'",
+                "unsupported argument '%1%' to 'builtins.path'",
                 state.symbols[attr.name]
             ).atPos(attr.pos).debugThrow();
     }
     if (!path)
         state.error<EvalError>(
-            "missing required 'path' attribute in the first argument to builtins.path"
+            "missing required 'path' attribute in the first argument to 'builtins.path'"
         ).atPos(pos).debugThrow();
     if (name.empty())
         name = path->baseName();
diff --git a/src/libfetchers/fetch-to-store.cc b/src/libfetchers/fetch-to-store.cc
index 65aa72a6c..fe347a59d 100644
--- a/src/libfetchers/fetch-to-store.cc
+++ b/src/libfetchers/fetch-to-store.cc
@@ -44,6 +44,8 @@ StorePath fetchToStore(
         : store.addToStore(
             name, path, method, HashAlgorithm::SHA256, {}, filter2, repair);
 
+    debug(mode == FetchMode::DryRun ? "hashed '%s'" : "copied '%s' to '%s'", path, store.printStorePath(storePath));
+
     if (cacheKey && mode == FetchMode::Copy)
         fetchers::getCache()->upsert(*cacheKey, store, {}, storePath);
 
diff --git a/src/libfetchers/meson.build b/src/libfetchers/meson.build
index d4f202796..ff638578d 100644
--- a/src/libfetchers/meson.build
+++ b/src/libfetchers/meson.build
@@ -52,15 +52,15 @@ sources = files(
   'fetch-to-store.cc',
   'fetchers.cc',
   'filtering-source-accessor.cc',
-  'git.cc',
   'git-utils.cc',
+  'git.cc',
   'github.cc',
   'indirect.cc',
   'mercurial.cc',
   'mounted-source-accessor.cc',
   'path.cc',
-  'store-path-accessor.cc',
   'registry.cc',
+  'store-path-accessor.cc',
   'tarball.cc',
 )
 
@@ -71,10 +71,10 @@ headers = files(
   'cache.hh',
   'fetch-settings.hh',
   'fetch-to-store.hh',
+  'fetchers.hh',
   'filtering-source-accessor.hh',
   'git-utils.hh',
   'mounted-source-accessor.hh',
-  'fetchers.hh',
   'registry.hh',
   'store-path-accessor.hh',
   'tarball.hh',