diff --git a/docs/docs/how_to/prompts_composition.ipynb b/docs/docs/how_to/prompts_composition.ipynb
index 25b51867b2e..7573c3de8dd 100644
--- a/docs/docs/how_to/prompts_composition.ipynb
+++ b/docs/docs/how_to/prompts_composition.ipynb
@@ -100,7 +100,7 @@
    "id": "8554bae5",
    "metadata": {},
    "source": [
-    "A chat prompt is made up a of a list of messages. Similarly to the above example, we can concatenate chat prompt templates. Each new element is a new message in the final prompt.\n",
+    "A chat prompt is made up of a list of messages. Similarly to the above example, we can concatenate chat prompt templates. Each new element is a new message in the final prompt.\n",
     "\n",
     "First, let's initialize the a [`ChatPromptTemplate`](https://python.langchain.com/api_reference/core/prompts/langchain_core.prompts.chat.ChatPromptTemplate.html) with a [`SystemMessage`](https://python.langchain.com/api_reference/core/messages/langchain_core.messages.system.SystemMessage.html)."
    ]