diff --git a/scripts/helpers/pull_submodule.sh b/scripts/helpers/pull_submodule.sh
index 594cb0fb0b0bc9..52445b9ac8445f 100644
--- a/scripts/helpers/pull_submodule.sh
+++ b/scripts/helpers/pull_submodule.sh
@@ -16,6 +16,8 @@
 # limitations under the License.
 #
 
+# Internal script for pull_submodules.sh. Not intended to be used directly.
+
 set -e
 
 CHIP_ROOT="$(dirname "$0")/../.."
diff --git a/scripts/helpers/pull_submodules.sh b/scripts/helpers/pull_submodules.sh
index a2fb8c489a892f..944c8801861e38 100755
--- a/scripts/helpers/pull_submodules.sh
+++ b/scripts/helpers/pull_submodules.sh
@@ -16,6 +16,9 @@
 # limitations under the License.
 #
 
+# Helper script to update all initialized submodules to the current tip of the
+# branch specified in .gitmodules.
+
 set -e
 
 CHIP_ROOT="$(dirname "$0")/../.."
diff --git a/scripts/helpers/rename_submodules.sh b/scripts/helpers/rename_submodules.sh
index c124f1ec6ff82f..63acb6c5b17625 100755
--- a/scripts/helpers/rename_submodules.sh
+++ b/scripts/helpers/rename_submodules.sh
@@ -16,6 +16,9 @@
 # limitations under the License.
 #
 
+# Temporary transition script to remove submodules added with previous names
+# and re-add them with the new names.
+
 CHIP_ROOT="$(dirname "$0")/../.."
 
 if [[ ! -e "$CHIP_ROOT/.git" ]]; then