diff --git a/src/future/exec/ExecFuture.php b/src/future/exec/ExecFuture.php
--- a/src/future/exec/ExecFuture.php
+++ b/src/future/exec/ExecFuture.php
@@ -909,7 +909,7 @@
   /**
    * Execute `proc_get_status()`, but avoid pitfalls.
    *
-   * @return dict Process status.
+   * @return array Process status.
    * @task internal
    */
   private function procGetStatus() {
diff --git a/src/lexer/PhutilLexer.php b/src/lexer/PhutilLexer.php
--- a/src/lexer/PhutilLexer.php
+++ b/src/lexer/PhutilLexer.php
@@ -87,7 +87,7 @@
    * Return a set of rules for this lexer. See description in
    * @{class:PhutilLexer}.
    *
-   * @return dict Lexer rules.
+   * @return array Lexer rules.
    * @task lexerimpl
    */
   abstract protected function getRawRules();
diff --git a/src/moduleutils/PhutilLibraryMapBuilder.php b/src/moduleutils/PhutilLibraryMapBuilder.php
--- a/src/moduleutils/PhutilLibraryMapBuilder.php
+++ b/src/moduleutils/PhutilLibraryMapBuilder.php
@@ -152,7 +152,7 @@
   /**
    * Load the library symbol cache, if it exists and is readable and valid.
    *
-   * @return dict  Map of content hashes to cache of output from
+   * @return array Map of content hashes to cache of output from
    *               `extract-symbols.php`.
    *
    * @task symbol
@@ -188,8 +188,8 @@
   /**
    * Write a symbol map to disk cache.
    *
-   * @param  dict  $symbol_map Symbol map of relative paths to symbols.
-   * @param  dict  $source_map Source map (like @{method:loadSourceFileMap}).
+   * @param  array $symbol_map Symbol map of relative paths to symbols.
+   * @param  array $source_map Source map (like @{method:loadSourceFileMap}).
    * @return void
    *
    * @task symbol
@@ -268,7 +268,7 @@
    *     // ...
    *   );
    *
-   * @return dict  Map of library-relative paths to content hashes.
+   * @return array Map of library-relative paths to content hashes.
    * @task source
    */
   private function loadSourceFileMap() {
@@ -321,8 +321,8 @@
    * Convert the symbol analysis of all the source files in the library into
    * a library map.
    *
-   * @param   dict  $symbol_map Symbol analysis of all source files.
-   * @return  dict  Library map.
+   * @param   array $symbol_map Symbol analysis of all source files.
+   * @return  array Library map.
    * @task source
    */
   private function buildLibraryMap(array $symbol_map) {
@@ -381,7 +381,7 @@
   /**
    * Write a finalized library map.
    *
-   * @param  dict $library_map Library map structure to write.
+   * @param  array $library_map Library map structure to write.
    * @return void
    *
    * @task source
diff --git a/src/parser/PhutilSimpleOptions.php b/src/parser/PhutilSimpleOptions.php
--- a/src/parser/PhutilSimpleOptions.php
+++ b/src/parser/PhutilSimpleOptions.php
@@ -20,7 +20,7 @@
 
 
   /**
-   * Convert a simple option list into a dict. For example:
+   * Convert a simple option list into a dictionary array. For example:
    *
    *    legs=4, eyes=2
    *
@@ -32,7 +32,7 @@
    *    );
    *
    * @param   string  $input Input option list.
-   * @return  dict    Parsed dictionary.
+   * @return  array   Parsed dictionary.
    * @task parse
    */
   public function parse($input) {
@@ -119,7 +119,7 @@
 
 
   /**
-   * Convert a dictionary into a simple option list. For example:
+   * Convert a dictionary array into a simple option list. For example:
    *
    *    array(
    *      'legs' => '4',
@@ -130,7 +130,7 @@
    *
    *    legs=4, eyes=2
    *
-   * @param   dict    $options Input dictionary.
+   * @param   array   $options Input dictionary.
    * @param   string  $escape (optional) Additional characters to escape.
    * @return  string  Unparsed option list.
    */
diff --git a/src/repository/api/ArcanistGitAPI.php b/src/repository/api/ArcanistGitAPI.php
--- a/src/repository/api/ArcanistGitAPI.php
+++ b/src/repository/api/ArcanistGitAPI.php
@@ -1056,7 +1056,7 @@
   /**
    * Returns names of all the branches in the current repository.
    *
-   * @return list<dict<string, string>> Dictionary of branch information.
+   * @return list<array<string, string>> Dictionary of branch information.
    */
   private function getAllBranches() {
     $field_list = array(
diff --git a/src/repository/parser/ArcanistMercurialParser.php b/src/repository/parser/ArcanistMercurialParser.php
--- a/src/repository/parser/ArcanistMercurialParser.php
+++ b/src/repository/parser/ArcanistMercurialParser.php
@@ -18,7 +18,7 @@
    * particular, this will parse copy sources as per "hg status -C".
    *
    * @param string $stdout The stdout from running an "hg status" command.
-   * @return dict Map of paths to status dictionaries.
+   * @return array Map of paths to status dictionaries.
    * @task parse
    */
   public static function parseMercurialStatusDetails($stdout) {
@@ -97,7 +97,7 @@
    * @{method:parseMercurialStatusDetails}.
    *
    * @param string $stdout The stdout from running an "hg status" command.
-   * @return dict Map of paths to ArcanistRepositoryAPI status flags.
+   * @return array Map of paths to ArcanistRepositoryAPI status flags.
    * @task parse
    */
   public static function parseMercurialStatus($stdout) {
diff --git a/src/symbols/PhutilSymbolLoader.php b/src/symbols/PhutilSymbolLoader.php
--- a/src/symbols/PhutilSymbolLoader.php
+++ b/src/symbols/PhutilSymbolLoader.php
@@ -161,9 +161,9 @@
    * Execute the query and select matching symbols, then load them so they can
    * be used.
    *
-   * @return dict A dictionary of matching symbols. See top-level class
-   *              documentation for details. These symbols will be loaded
-   *              and available.
+   * @return array A dictionary of matching symbols. See top-level class
+   *               documentation for details. These symbols will be loaded
+   *               and available.
    *
    * @task load
    */
@@ -331,8 +331,8 @@
    * of the symbols and don't plan to use them; otherwise, use
    * @{method:selectAndLoadSymbols}.
    *
-   * @return dict A dictionary of matching symbols. See top-level class
-   *              documentation for details.
+   * @return array A dictionary of matching symbols. See top-level class
+   *               documentation for details.
    *
    * @task load
    */
diff --git a/src/utils/AbstractDirectedGraph.php b/src/utils/AbstractDirectedGraph.php
--- a/src/utils/AbstractDirectedGraph.php
+++ b/src/utils/AbstractDirectedGraph.php
@@ -56,8 +56,8 @@
    * this requirement.
    *
    * @param   list  $nodes A list of nodes.
-   * @return  dict  A map of nodes to the nodes reachable along their edges.
-   *                There must be an entry for each node you were provided.
+   * @return  array  A map of nodes to the nodes reachable along their edges.
+   *                 There must be an entry for each node you were provided.
    * @task build
    */
   abstract protected function loadEdges(array $nodes);
@@ -68,7 +68,7 @@
    * edges that a user is trying to create here, or the initial set of edges
    * you know about.
    *
-   * @param   dict  $nodes A map of nodes to the nodes reachable along their
+   * @param   array $nodes A map of nodes to the nodes reachable along their
    *   edges
    * @return  $this
    * @task build
diff --git a/src/utils/utils.php b/src/utils/utils.php
--- a/src/utils/utils.php
+++ b/src/utils/utils.php
@@ -136,7 +136,7 @@
  *                        Use a string like 'getID' to use the result
  *                        of calling the named method as each object's key, or
  *                        `null` to preserve the original keys.
- * @return  dict          A dictionary with keys and values derived according
+ * @return  array         A dictionary with keys and values derived according
  *                        to whatever you passed as `$method` and `$key_method`.
  */
 function mpull(array $list, $method, $key_method = null) {
@@ -210,7 +210,7 @@
  *                        'id' to use the result of accessing the named property
  *                        as each object's key, or `null` to preserve the
  *                        original keys.
- * @return  dict          A dictionary with keys and values derived according
+ * @return  array         A dictionary with keys and values derived according
  *                        to whatever you passed as `$property` and
  *                        `$key_property`.
  */
@@ -260,7 +260,7 @@
  *                        appear in the result array. Use a scalar to select
  *                        that index from each array, or null to preserve the
  *                        array keys.
- * @return  dict          A dictionary with keys and values derived according
+ * @return  array         A dictionary with keys and values derived according
  *                        to whatever you passed for `$index` and `$key_index`.
  */
 function ipull(array $list, $index, $key_index = null) {
@@ -309,7 +309,7 @@
  *                  placed into.
  * @param   string  $methods,... Zero or more additional method names, to
  *                  subgroup the groups.
- * @return  dict    Dictionary mapping distinct method returns to lists of
+ * @return  array   Dictionary mapping distinct method returns to lists of
  *                  all objects which returned that value.
  */
 function mgroup(array $list, $by /* , ... */) {
@@ -349,7 +349,7 @@
  *                  determine which group it should be placed into.
  * @param   string  $methods,... Zero or more additional indexes names, to
  *                  subgroup the groups.
- * @return  dict    Dictionary mapping distinct index values to lists of
+ * @return  array   Dictionary mapping distinct index values to lists of
  *                  all objects which had that value at the index.
  */
 function igroup(array $list, $by /* , ... */) {
@@ -603,9 +603,9 @@
  * uses: either reducing a large dictionary to a smaller one, or changing the
  * key order on an existing dictionary.
  *
- * @param  dict    $dict Dictionary of key-value pairs to select from.
+ * @param  array   $dict Dictionary of key-value pairs to select from.
  * @param  list    $keys List of keys to select.
- * @return dict    Dictionary of only those key-value pairs where the key was
+ * @return array   Dictionary of only those key-value pairs where the key was
  *                 present in the list of keys to select. Ordering is
  *                 determined by the list order.
  */
@@ -958,7 +958,7 @@
  *   $result = array_fuse($list);
  *
  * @param   list  $list (optional) List of scalars.
- * @return  dict  Dictionary with inputs mapped to themselves.
+ * @return  array Dictionary with inputs mapped to themselves.
  */
 function array_fuse(?array $list = null) {
   if ($list) {