diff --git a/C3/W4/assignment/C3W4_Assignment.ipynb b/C3/W4/assignment/C3W4_Assignment.ipynb
index e162ecb0..b1641868 100644
--- a/C3/W4/assignment/C3W4_Assignment.ipynb
+++ b/C3/W4/assignment/C3W4_Assignment.ipynb
@@ -210,7 +210,7 @@
     "id": "pPZmZtpEPEeI"
    },
    "source": [
-    "This happened because `texts_to_sequences` expects a list and you are providing a string. However a string is still and `iterable` in Python so you will get the word index of every character in the string.\n",
+    "This happened because `texts_to_sequences` expects a list and you are providing a string. However a string is still an `iterable` in Python so you will get the word index of every character in the string.\n",
     "\n",
     "Instead you need to place the example whithin a list before passing it to the method:"
    ]