diff --git a/lib/Pipeline/Loader.cpp b/lib/Pipeline/Loader.cpp
index bb1db36c5..2d7e074b0 100644
--- a/lib/Pipeline/Loader.cpp
+++ b/lib/Pipeline/Loader.cpp
@@ -1,5 +1,5 @@
 /// \file Loader.cpp
-/// A loader is a object that acceps a serialized pipeline and yields a runner
+/// A loader is a object that accepts a serialized pipeline and yields a runner
 /// object that rappresents that pipeline.
 
 //
diff --git a/share/doc/revng/javascripts/additional.js b/share/doc/revng/javascripts/additional.js
index 6dedc99c8..a6f284a5d 100644
--- a/share/doc/revng/javascripts/additional.js
+++ b/share/doc/revng/javascripts/additional.js
@@ -1,3 +1,3 @@
 // This file is distributed under the MIT License. See LICENSE.md for details.
 
-// This file is intentionally kept empty for downsteam use
+// This file is intentionally kept empty for downstream use
diff --git a/share/doc/revng/user-manual/index.md b/share/doc/revng/user-manual/index.md
index c20296445..345897c98 100644
--- a/share/doc/revng/user-manual/index.md
+++ b/share/doc/revng/user-manual/index.md
@@ -1,7 +1,7 @@
 # User's manual
 
 The user's manual describes concepts that are mostly useful for users.
-If you just want to use the UI, most of these are benficial but not strictly necessary.
+If you just want to use the UI, most of these are beneficial but not strictly necessary.
 On other hand, they are vital to get a better understanding of rev.ng and in particular to approach scripting rev.ng.
 
 The manual discusses the following topics:
diff --git a/share/revng/flake8-config b/share/revng/flake8-config
index 854f14afd..f3ef63005 100644
--- a/share/revng/flake8-config
+++ b/share/revng/flake8-config
@@ -4,5 +4,5 @@
 
 [flake8]
 max-line-length = 100
-extend-ignore = E203,R504,R505
+extend-ignore = E203,R504,R505,A005
 eradicate-whitelist-extend = mypy:
diff --git a/share/revng/rcc-config.yml b/share/revng/rcc-config.yml
index c24bbfcc2..270c28cc2 100644
--- a/share/revng/rcc-config.yml
+++ b/share/revng/rcc-config.yml
@@ -21,7 +21,7 @@ matchers:
     suffixes: ["html", "js", "json", "ts", "yaml", "yml"]
   codespell:
     type: all_except
-    suffixes: ["css"]
+    suffixes: ["css", "cfg"]
   all: { type: all_filter }
 
 write_passes: