diff --git a/diff-sha.sh b/diff-sha.sh
index 702e78d8..1e17d360 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -45,7 +45,7 @@ else
   CURRENT_SHA=$INPUT_SHA; exit_status=$?
 fi
 
-echo "Verifying the commit SHA: $CURRENT_SHA"
+echo "::debug::Verifying the current commit SHA: $CURRENT_SHA"
 git rev-parse --quiet --verify "$CURRENT_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
 if [[ $exit_status -ne 0 ]]; then
@@ -81,7 +81,7 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     echo "::debug::Target branch: $TARGET_BRANCH"
   fi
 
-  echo "Verifying the commit SHA: $PREVIOUS_SHA"
+  echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
   git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
   if [[ $exit_status -ne 0 ]]; then
@@ -114,7 +114,7 @@ else
     echo "::debug::Target branch: $TARGET_BRANCH"
   fi
 
-  echo "::debug::Verifying commit SHA..."
+  echo "::debug::Verifying the previous commit SHA: $PREVIOUS_SHA"
   git rev-parse --quiet --verify "$PREVIOUS_SHA^{commit}" 1>/dev/null 2>&1 && exit_status=$? || exit_status=$?
 
   if [[ $exit_status -ne 0 ]]; then