diff --git a/notebooks/03.11-Working-with-Time-Series.ipynb b/notebooks/03.11-Working-with-Time-Series.ipynb
index 7fb30aa85..1302ff7a5 100644
--- a/notebooks/03.11-Working-with-Time-Series.ipynb
+++ b/notebooks/03.11-Working-with-Time-Series.ipynb
@@ -874,7 +874,7 @@
     "| ``H``  | Hours               | ``BH`` | Business hours       |\n",
     "| ``T``  | Minutes             |        |                      |\n",
     "| ``S``  | Seconds             |        |                      |\n",
-    "| ``L``  | Milliseonds         |        |                      |\n",
+    "| ``L``  | Milliseconds        |        |                      |\n",
     "| ``U``  | Microseconds        |        |                      |\n",
     "| ``N``  | nanoseconds         |        |                      |"
    ]