diff --git a/CHANGELOG.md b/CHANGELOG.md
index 217d3b0..caf3295 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Unreleased
 
+# v1.9.3
+
+- Fix: use main branch in `git-merged` (instead of hardcoding `master`)
+
+# v1.9.2
+
+- `git-shatter-by-file` will still work when there are "skipped" files
+- Various internal shell script improvements
+
 # v1.9.1
 
 - `git-main-branch` will now also recognize `mainline` as a main branch name,
diff --git a/git-merged b/git-merged
index ed42154..dd27b19 100755
--- a/git-merged
+++ b/git-merged
@@ -4,7 +4,7 @@ set -eu
 usage () {
     echo "usage: git merged [-uh] [<branch>]" >&2
     echo >&2
-    echo "Shows what local branches have been merged into branch (defaults to master)." >&2
+    echo "Shows what local branches have been merged into branch (defaults to main branch)." >&2
     echo >&2
     echo "Options:" >&2
     echo "-u    Show unmerged branches instead of merged branches" >&2
@@ -26,5 +26,11 @@ else
     opts="--merged"
 fi
 
-base="${1-master}"
+if [ $# -gt 0 ]; then
+    base="$1"
+    shift 1
+else
+    base="$(git main-branch)"
+fi
+
 git branch $opts "$base" | cut -c3- | grep -vxF "$base"
diff --git a/git-spinoff b/git-spinoff
index 1d289ed..004edc4 100755
--- a/git-spinoff
+++ b/git-spinoff
@@ -16,7 +16,7 @@ usage () {
     echo "previously current branch is not touched." >&2
     echo >&2
     echo "This is useful to create a feature branch after work has already" >&2
-    echo "began on the old branch (likely but not necessarily \"master\")." >&2
+    echo "began on the old branch (likely but not necessarily \"main\")." >&2
     echo >&2
     echo "Options:" >&2
     echo "-h    Show this help" >&2