diff --git a/docshell/base/nsDefaultURIFixup.cpp b/docshell/base/nsDefaultURIFixup.cpp
index 78ba2b79288c..3f60f6320191 100644
--- a/docshell/base/nsDefaultURIFixup.cpp
+++ b/docshell/base/nsDefaultURIFixup.cpp
@@ -403,7 +403,9 @@ NS_IMETHODIMP nsDefaultURIFixup::KeywordToURI(const nsACString& aKeyword,
                 // the search engine's name through various function calls.
                 nsCOMPtr<nsIObserverService> obsSvc = mozilla::services::GetObserverService();
                 if (obsSvc) {
-                    obsSvc->NotifyObservers(defaultEngine, "keyword-search", NS_ConvertUTF8toUTF16(keyword).get());
+                  // Note that "keyword-search" refers to a search via the url
+                  // bar, not a bookmarks keyword search.
+                  obsSvc->NotifyObservers(defaultEngine, "keyword-search", NS_ConvertUTF8toUTF16(keyword).get());
                 }
 
                 return submission->GetUri(aURI);