diff --git a/docs/howto/filtering_deep_dive.ipynb b/docs/howto/filtering_deep_dive.ipynb
index 94dd038a..389d55b1 100644
--- a/docs/howto/filtering_deep_dive.ipynb
+++ b/docs/howto/filtering_deep_dive.ipynb
@@ -1242,7 +1242,7 @@
     "print(\"=\" * 50)\n",
     "\n",
     "\n",
-    "# Use Case 3 - filter hosts by site_type of tertiary\n",
+    "# Use Case 3 - filter hosts by site_type of secondary\n",
     "# Assign site_type of secondary to variable for later usage\n",
     "site_type=\"secondary\"\n",
     "# Execute filter based on site_type\n",