diff --git a/solr/core/src/java/org/apache/solr/core/SolrCore.java b/solr/core/src/java/org/apache/solr/core/SolrCore.java
index 4c3d09980ca..354f5465ca3 100644
--- a/solr/core/src/java/org/apache/solr/core/SolrCore.java
+++ b/solr/core/src/java/org/apache/solr/core/SolrCore.java
@@ -2228,6 +2228,8 @@ public RefCounted<SolrIndexSearcher> getNewestSearcher(boolean openNew) {
    * reference count will be incremented.
    */
   public RefCounted<SolrIndexSearcher> getRealtimeSearcher() {
+    // In practice, this is nearly always the same as the non-realtime searcher because that one
+    //   nearly always exists and it installs itself as the realtime searcher.
     synchronized (searcherLock) {
       if (realtimeSearcher != null) {
         realtimeSearcher.incref();