docs: Fix typo (#7125)

docs/core_docs/docs/concepts/architecture.mdx

@@ -44,13 +44,13 @@ Key integration packages are separated out (see above).
 This contains integrations for various components (chat models, vector stores, tools, etc).
 All dependencies in this package are optional to keep the package as lightweight as possible.
 
-## @langchian/langgraph
+## @langchain/langgraph
 
-`@langchian/langgraph` is an extension of `langchain` aimed at building robust and stateful multi-actor applications with LLMs by modeling steps as edges and nodes in a graph.
+`@langchain/langgraph` is an orchestration framework aimed at building robust and stateful multi-actor applications with LLMs by modeling steps as edges and nodes in a graph.
 
 LangGraph exposes high level interfaces for creating common types of agents, as well as a low-level API for composing custom flows.
 
-:::info[Further reading]
+:::info [Further reading]
 
 - See our LangGraph overview [here](https://langchain-ai.github.io/langgraphjs/concepts/high_level/#core-principles).
 - See our LangGraph Academy Course [here](https://academy.langchain.com/courses/intro-to-langgraph).

docs/core_docs/src/theme/RedirectAnchors.js

@@ -12,7 +12,7 @@ function RedirectAnchors() {
     "#langchain": "/docs/concepts/architecture/#langchain",
     "#langchaincommunity": "/docs/concepts/architecture/#langchaincommunity",
     "#partner-packages": "/docs/concepts/architecture/#integration-packages",
-    "#langgraph": "/docs/concepts/architecture/#langchianlanggraph",
+    "#langgraph": "/docs/concepts/architecture/#langchainlanggraph",
     "#langsmith": "/docs/concepts/architecture/#langsmith",
     "#langchain-expression-language-lcel": "/docs/concepts/lcel",
     "#langchain-expression-language": "/docs/concepts/lcel",