docs: fix grammar and typo issues in async_html.ipynb and azure_blob_storage_file.ipynb (#31478)

Author: MichaelLi65535

docs/docs/integrations/document_loaders/async_html.ipynb

@@ -40,7 +40,7 @@
     "# If you need to use the proxy to make web requests, for example using http_proxy/https_proxy environmental variables,\n",
     "# please set trust_env=True explicitly here as follows:\n",
     "# loader = AsyncHtmlLoader(urls, trust_env=True)\n",
-    "# Otherwise, loader.load() may stuck becuase aiohttp session does not recognize the proxy by default\n",
+    "# Otherwise, loader.load() may get stuck because aiohttp session does not recognize the proxy by default\n",
     "docs = loader.load()"
    ]
   },

docs/docs/integrations/document_loaders/azure_blob_storage_file.ipynb

@@ -9,7 +9,7 @@
     "\n",
     ">[Azure Files](https://learn.microsoft.com/en-us/azure/storage/files/storage-files-introduction) offers fully managed file shares in the cloud that are accessible via the industry standard Server Message Block (`SMB`) protocol, Network File System (`NFS`) protocol, and `Azure Files REST API`.\n",
     "\n",
-    "This covers how to load document objects from a Azure Files."
+    "This covers how to load document objects from Azure Files."
    ]
   },
   {