diff --git a/volatility3/framework/plugins/mac/kauth_listeners.py b/volatility3/framework/plugins/mac/kauth_listeners.py
index 7002d88e2..fba6a8e0a 100644
--- a/volatility3/framework/plugins/mac/kauth_listeners.py
+++ b/volatility3/framework/plugins/mac/kauth_listeners.py
@@ -1,4 +1,4 @@
-# This file is opyright 2020 Volatility Foundation and licensed under the Volatility Software License 1.0
+# This file is Copyright 2020 Volatility Foundation and licensed under the Volatility Software License 1.0
 # which is available at https://www.volatilityfoundation.org/license/vsl-v1.0
 #
 
diff --git a/volatility3/framework/plugins/windows/skeleton_key_check.py b/volatility3/framework/plugins/windows/skeleton_key_check.py
index cd4a5baec..4a1b48c9a 100644
--- a/volatility3/framework/plugins/windows/skeleton_key_check.py
+++ b/volatility3/framework/plugins/windows/skeleton_key_check.py
@@ -9,7 +9,7 @@
 # For a thorough walkthrough on how the R&D was performed to develop this plugin,
 # please see our blogpost here:
 #
-# <insert blog URL once published>
+# https://volatility-labs.blogspot.com/2021/10/memory-forensics-r-illustrated.html
 
 import io
 import logging
diff --git a/volatility3/framework/symbols/metadata.py b/volatility3/framework/symbols/metadata.py
index 7cde686ee..350bb0a53 100644
--- a/volatility3/framework/symbols/metadata.py
+++ b/volatility3/framework/symbols/metadata.py
@@ -38,4 +38,4 @@ class WindowsMetadata(interfaces.symbols.MetadataInterface):
 
 
 class LinuxMetadata(interfaces.symbols.MetadataInterface):
-    """Class to handle the etadata from a Linux symbol table."""
+    """Class to handle the metadata from a Linux symbol table."""