diff --git a/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/Bridge.java b/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/Bridge.java
index 553f69623d..9cea2258bd 100644
--- a/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/Bridge.java
+++ b/services/git-bridge/src/main/java/uk/ac/ic/wlgitbridge/bridge/Bridge.java
@@ -247,18 +247,14 @@ public class Bridge {
   public boolean healthCheck() {
     try {
       dbStore.getNumProjects();
-      // Check the repo store volume (the PVC mounted at the repo store root), not the
-      // container root filesystem. A read-only or detached volume must fail the check.
+      // Check the repo store volume, not the container root filesystem, so a
+      // read-only or detached volume fails the check.
       File rootDirectory = repoStore.getRootDirectory();
       if (rootDirectory == null || !rootDirectory.isDirectory()) {
         throw new Exception("repo store root directory does not exist: " + rootDirectory);
       }
-      // Write and read back a small probe file to confirm the volume is mounted read-write.
-      // Use the .wlgb directory (excluded from project purging) so we never touch project
-      // storage. A single fixed-name file is overwritten on each probe (never deleted), so we
-      // avoid churning through unique files and can't leave orphaned temp files behind. Both
-      // liveness and readiness probes write identical content, so this is safe under concurrent
-      // probes.
+      // Confirm the volume is writable: overwrite a fixed probe file in .wlgb
+      // (outside project storage) and read it back.
       File wlgbDirectory = new File(rootDirectory, ".wlgb");
       if (!wlgbDirectory.isDirectory()) {
         throw new Exception("repo store .wlgb directory does not exist: " + wlgbDirectory);