adjust docarray docstrings (#5185)

Follow up of https://github.com/hwchase17/langchain/pull/5015

Thanks for catching this! 

Just a small PR to adjust couple of strings to these changes

Signed-off-by: jupyterjazz <saba.sturua@jina.ai>

langchain/vectorstores/docarray/base.py

@@ -19,10 +19,10 @@ def _check_docarray_import() -> None:
         import docarray
 
         da_version = docarray.__version__.split(".")
-        if int(da_version[0]) == 0 and int(da_version[1]) <= 30:
+        if int(da_version[0]) == 0 and int(da_version[1]) <= 31:
             raise ValueError(
                 f"To use the DocArrayHnswSearch VectorStore the docarray "
-                f"version >=0.31.0 is expected, received: {docarray.__version__}."
+                f"version >=0.32.0 is expected, received: {docarray.__version__}."
                 f"To upgrade, please run: `pip install -U docarray`."
             )
     except ImportError:

langchain/vectorstores/docarray/hnsw.py

@@ -13,8 +13,8 @@ from langchain.vectorstores.docarray.base import (
 class DocArrayHnswSearch(DocArrayIndex):
     """Wrapper around HnswLib storage.
 
-    To use it, you should have the ``docarray[hnswlib]`` package with version >=0.31.0
+    To use it, you should have the ``docarray`` package with version >=0.32.0 installed.
-    installed. You can install it with `pip install "langchain[hnswlib]"`.
+    You can install it with `pip install "langchain[docarray]"`.
     """
 
     @classmethod

langchain/vectorstores/docarray/in_memory.py

@@ -13,8 +13,8 @@ from langchain.vectorstores.docarray.base import (
 class DocArrayInMemorySearch(DocArrayIndex):
     """Wrapper around in-memory storage for exact search.
 
-    To use it, you should have the ``docarray`` package with version >=0.31.0 installed.
+    To use it, you should have the ``docarray`` package with version >=0.32.0 installed.
-    You can install it with `pip install "langchain[in_memory_store]"`.
+    You can install it with `pip install "langchain[docarray]"`.
     """
 
     @classmethod