diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index 69c811cac5..189d9bf91f 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -57,7 +57,7 @@ Reporting
 If you are being harassed by a member of the CWL Project, notice that someone
 else is being harassed, or have any other concerns, please contact the CWL
 Leadership Team at leadership@commonwl.org. If person who is harassing
-you is on the team, they will recuse themselves from handling your incident. We
+you is on the team, they will recurse themselves from handling your incident. We
 will respond as promptly as we can.
 
 This code of conduct applies to CWL Project spaces, but if you are being
diff --git a/Makefile b/Makefile
index 7b04c1dcf7..f0f65168eb 100644
--- a/Makefile
+++ b/Makefile
@@ -111,7 +111,7 @@ pydocstyle_report.txt: $(PYSOURCES)
 diff_pydocstyle_report: pydocstyle_report.txt
 	diff-quality --compare-branch=main --violations=pydocstyle --fail-under=100 $^
 
-## codespell              : check for common mispellings
+## codespell              : check for common misspellings
 codespell:
 	codespell -w $(shell git ls-files | grep -v cwltool/schemas | grep -v cwltool/jshint/ | grep -v mypy-stubs)
 
diff --git a/cwltool/run_job.py b/cwltool/run_job.py
index 93b4e8a94b..ac2f1025d6 100644
--- a/cwltool/run_job.py
+++ b/cwltool/run_job.py
@@ -42,7 +42,7 @@ def main(argv: List[str]) -> int:
       "stdout_path": a string (or a null) giving the path that should receive the STDOUT
       "stderr_path": a string (or a null) giving the path that should receive the STDERR
 
-    The second argument is optional, it specifes a shell script to execute prior,
+    The second argument is optional, it specifies a shell script to execute prior,
       and the environment variables it sets will be combined with the environment
       variables from the "env" key in the JSON dictionary from the first argument.
     """
diff --git a/setup.cfg b/setup.cfg
index 11b473f31a..a2a4751222 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -13,3 +13,6 @@ include_trailing_comma = True
 force_grid_wrap = 0
 use_parentheses = True
 line_length = 88
+
+[codespell]
+ignore-words-list="ORE,ore,RO,ro"