diff --git a/release-procedure.md b/release-procedure.md
index 4aa631f3..52f34617 100644
--- a/release-procedure.md
+++ b/release-procedure.md
@@ -8,7 +8,7 @@
 
 4.  Push new version bump commit and tag to github
 
-        git push dask master --tags
+        git push dask main --tags
 
 5.  Build source and wheel packages
 
diff --git a/s3fs/_version.py b/s3fs/_version.py
index 9ad38159..5fc50415 100644
--- a/s3fs/_version.py
+++ b/s3fs/_version.py
@@ -198,7 +198,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # refs/heads/ and refs/tags/ prefixes that would let us distinguish
         # between branches and tags. By ignoring refnames without digits, we
         # filter out many common branch names like "release" and
-        # "stabilization", as well as "HEAD" and "master".
+        # "stabilization", as well as "HEAD" and "main".
         tags = set([r for r in refs if re.search(r"\d", r)])
         if verbose:
             print("discarding '%s', no digits" % ",".join(refs - tags))
diff --git a/versioneer.py b/versioneer.py
index 64fea1c8..98820415 100644
--- a/versioneer.py
+++ b/versioneer.py
@@ -609,7 +609,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # refs/heads/ and refs/tags/ prefixes that would let us distinguish
         # between branches and tags. By ignoring refnames without digits, we
         # filter out many common branch names like "release" and
-        # "stabilization", as well as "HEAD" and "master".
+        # "stabilization", as well as "HEAD" and "main".
         tags = set([r for r in refs if re.search(r'\d', r)])
         if verbose:
             print("discarding '%%s', no digits" %% ",".join(refs - tags))
@@ -1001,7 +1001,7 @@ def git_versions_from_keywords(keywords, tag_prefix, verbose):
         # refs/heads/ and refs/tags/ prefixes that would let us distinguish
         # between branches and tags. By ignoring refnames without digits, we
         # filter out many common branch names like "release" and
-        # "stabilization", as well as "HEAD" and "master".
+        # "stabilization", as well as "HEAD" and "main".
         tags = set([r for r in refs if re.search(r'\d', r)])
         if verbose:
             print("discarding '%s', no digits" % ",".join(refs - tags))