DevTools: update search-across-all-files placeholder tip

Source/devtools/front_end/sources/AdvancedSearchView.js

Index: Source/devtools/front_end/sources/AdvancedSearchView.js
diff --git a/Source/devtools/front_end/sources/AdvancedSearchView.js b/Source/devtools/front_end/sources/AdvancedSearchView.js
index eecfb90ce46d1bab9eeb1805f584e37c58504ae2..e2edd3946f1f2ac3cedbd2276df912241e3ff3cf 100644
--- a/Source/devtools/front_end/sources/AdvancedSearchView.js
+++ b/Source/devtools/front_end/sources/AdvancedSearchView.js
@@ -24,7 +24,7 @@ WebInspector.AdvancedSearchView = function()
 
     this._search = WebInspector.HistoryInput.create();
     this._searchPanelElement.appendChild(this._search);
-    this._search.placeholder = WebInspector.UIString("Use 'file:' to define search scope");
+    this._search.placeholder = WebInspector.UIString("Enter query, use `file:` to filter by path");
     this._search.setAttribute("type", "text");
     this._search.classList.add("search-config-search");
     this._search.setAttribute("results", "0");