diff --git a/docs/docs/integrations/document_loaders/dropbox.ipynb b/docs/docs/integrations/document_loaders/dropbox.ipynb
index 5c946f5eb76..83a785cc442 100644
--- a/docs/docs/integrations/document_loaders/dropbox.ipynb
+++ b/docs/docs/integrations/document_loaders/dropbox.ipynb
@@ -15,7 +15,7 @@
     "1. Create a Dropbox app.\n",
     "2. Give the app these scope permissions: `files.metadata.read` and `files.content.read`.\n",
     "3. Generate access token: https://www.dropbox.com/developers/apps/create.\n",
-    "4. `pip install dropbox` (requires `pip install unstructured` for PDF filetype).\n",
+    "4. `pip install dropbox` (requires `pip install \"unstructured[pdf]\"` for PDF filetype).\n",
     "\n",
     "## Instructions\n",
     "\n",
diff --git a/libs/langchain/langchain/document_loaders/dropbox.py b/libs/langchain/langchain/document_loaders/dropbox.py
index 7a6d7dea7d6..7813181125f 100644
--- a/libs/langchain/langchain/document_loaders/dropbox.py
+++ b/libs/langchain/langchain/document_loaders/dropbox.py
@@ -3,7 +3,7 @@
 # 2. Give the app these scope permissions: `files.metadata.read`
 #    and `files.content.read`.
 # 3. Generate access token: https://www.dropbox.com/developers/apps/create.
-# 4. `pip install dropbox` (requires `pip install unstructured` for PDF filetype).
+# 4. `pip install dropbox` (requires `pip install unstructured[pdf]` for PDF filetype).
 
 
 import os
@@ -118,11 +118,10 @@ class DropboxLoader(BaseLoader, BaseModel):
         try:
             text = response.content.decode("utf-8")
         except UnicodeDecodeError:
-            print(f"File {file_path} could not be decoded as text. Skipping.")
-
             file_extension = os.path.splitext(file_path)[1].lower()
 
             if file_extension == ".pdf":
+                print(f"File {file_path} type detected as .pdf")
                 from langchain.document_loaders import UnstructuredPDFLoader
 
                 # Download it to a temporary file.
@@ -139,6 +138,10 @@ class DropboxLoader(BaseLoader, BaseModel):
                 except Exception as pdf_ex:
                     print(f"Error while trying to parse PDF {file_path}: {pdf_ex}")
                     return None
+            else:
+                print(
+                    f"File {file_path} could not be decoded as pdf or text. Skipping."
+                )
 
             return None