diff --git a/codeql-analysis.yml b/codeql-analysis.yml
new file mode 100644
index 0000000000..4607af4bf0
--- /dev/null
+++ b/codeql-analysis.yml
@@ -0,0 +1,71 @@
+# For most projects, this workflow file will not need changing; you simply need
+# to commit it to your repository.
+#
+# You may wish to alter this file to override the set of languages analyzed,
+# or to provide custom queries or build logic.
+#
+# ******** NOTE ********
+# We have attempted to detect the languages in your repository. Please check
+# the `language` matrix defined below to confirm you have the correct set of
+# supported CodeQL languages.
+#
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ master, develop ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ master ]
+  schedule:
+    - cron: '41 2 * * 2'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'javascript', 'python' ]
+        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python' ]
+        # Learn more:
+        # https://docs.github.com/en/free-pro-team@latest/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#changing-the-languages-that-are-analyzed
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+
+    # Initializes the CodeQL tools for scanning.
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v1
+      with:
+        languages: ${{ matrix.language }}
+        # If you wish to specify custom queries, you can do so here or in a config file.
+        # By default, queries listed here will override any specified in a config file.
+        # Prefix the list here with "+" to use these queries and those in the config file.
+        # queries: ./path/to/local/query, your-org/your-repo/queries@main
+
+    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
+    # If this step fails, then you should remove it and run the build manually (see below)
+    - name: Autobuild
+      uses: github/codeql-action/autobuild@v1
+
+    # ℹ️ Command-line programs to run using the OS shell.
+    # 📚 https://git.io/JvXDl
+
+    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
+    #    and modify them (or add more) to build your code if your project
+    #    uses a compiled language
+
+    #- run: |
+    #   make bootstrap
+    #   make release
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v1
diff --git a/evennia/utils/utils.py b/evennia/utils/utils.py
index 3d2138872b..8e68931354 100644
--- a/evennia/utils/utils.py
+++ b/evennia/utils/utils.py
@@ -1036,24 +1036,18 @@ def delay(timedelay, callback, *args, **kwargs):
     Delay the calling of a callback (function).
 
     Args:
-        timedelay (int or float): The delay in seconds
+        timedelay (int or float): The delay in seconds.
         callback (callable): Will be called as `callback(*args, **kwargs)`
             after `timedelay` seconds.
         *args: Will be used as arguments to callback
     Keyword Args:
-        persistent (bool, optional): Should make the delay persistent
-            over a reboot or reload. Defaults to False.
+        persistent (bool, optional): If True the delay remains after a server restart.
+            persistent is False by default.
         any (any): Will be used as keyword arguments to callback.
 
     Returns:
-        deferred or int: If ``persistent`` kwarg is `False`, return deferred
-            that will fire with callback after `timedelay` seconds. Note that
-            if `timedelay()` is used in the commandhandler callback chain, the
-            callback chain can be defined directly in the command body and
-            don't need to be specified here. Reference twisted.internet.defer.Deferred.
-            If persistent kwarg is set, return the task's ID as an integer. This is
-            intended for use with ``evennia.scripts.taskhandler.TASK_HANDLER``
-            `.do_task` and `.remove` methods.
+        task (TaskHandlerTask): An instance of a task.
+            Refer to, evennia.scripts.taskhandler.TaskHandlerTask
 
     Notes:
         The task handler (`evennia.scripts.taskhandler.TASK_HANDLER`) will
@@ -1068,8 +1062,7 @@ def delay(timedelay, callback, *args, **kwargs):
         If persistent is set to True the delay function will return an int
         which is the task's id itended for use with TASK_HANDLER's do_task
         and remove methods.
-
-        All task's whose time delays have passed will be called on server startup.
+        All persistent tasks whose time delays have passed will be called on server startup.
 
     """
     global _TASK_HANDLER