diff --git a/docs/_src/usage/usage/pipelines.md b/docs/_src/usage/usage/pipelines.md
index 060f568f4..e0aa93b4e 100644
--- a/docs/_src/usage/usage/pipelines.md
+++ b/docs/_src/usage/usage/pipelines.md
@@ -153,19 +153,19 @@ from haystack.pipeline import DocumentSearchPipeline, ExtractiveQAPipeline, Pipe
 
 # Extractive QA
 qa_pipe = ExtractiveQAPipeline(reader=reader, retriever=retriever)
-res = qa_pipe.run(query="When was Kant born?", params={"retriever": {"top_k": 3}, "reader": {"top_k": 5}})
+res = qa_pipe.run(query="When was Kant born?", params={"Retriever": {"top_k": 3}, "Reader": {"top_k": 5}})
 
 # Document Search
 doc_pipe = DocumentSearchPipeline(retriever=retriever)
-res = doc_pipe.run(query="Physics Einstein", params={"retriever": {"top_k": 3}})
+res = doc_pipe.run(query="Physics Einstein", params={"Retriever": {"top_k": 3}})
 
 # Generative QA
 doc_pipe = GenerativeQAPipeline(generator=rag_generator, retriever=retriever)
-res = doc_pipe.run(query="Physics Einstein", params={"retriever": {"top_k": 3}})
+res = doc_pipe.run(query="Physics Einstein", params={"Retriever": {"top_k": 3}})
 
 # FAQ based QA
 doc_pipe = FAQPipeline(retriever=retriever)
-res = doc_pipe.run(query="How can I change my address?", params={"retriever": {"top_k": 3}})
+res = doc_pipe.run(query="How can I change my address?", params={"Retriever": {"top_k": 3}})
 
 ```    
 So to migrate your QA system from the deprecated `Finder` to `ExtractiveQAPipeline` you'd need to: 
diff --git a/haystack/pipelines/standard_pipelines.py b/haystack/pipelines/standard_pipelines.py
index cb1bc7a8a..e9f41c1c5 100644
--- a/haystack/pipelines/standard_pipelines.py
+++ b/haystack/pipelines/standard_pipelines.py
@@ -119,7 +119,7 @@ class DocumentSearchPipeline(BaseStandardPipeline):
             debug: Optional[bool] = None):
         """
         :param query: the query string.
-        :param params: params for the `retriever` and `reader`. For instance, params={"retriever": {"top_k": 10}}
+        :param params: params for the `retriever` and `reader`. For instance, params={"Retriever": {"top_k": 10}}
         :param debug: Whether the pipeline should instruct nodes to collect debug information
               about their execution. By default these include the input parameters
               they received and the output they generated.
@@ -185,7 +185,7 @@ class SearchSummarizationPipeline(BaseStandardPipeline):
         """
         :param query: the query string.
         :param params: params for the `retriever` and `summarizer`. For instance,
-                       params={"retriever": {"top_k": 10}, "summarizer": {"generate_single_summary": True}}
+                       params={"Retriever": {"top_k": 10}, "Summarizer": {"generate_single_summary": True}}
         :param debug: Whether the pipeline should instruct nodes to collect debug information
               about their execution. By default these include the input parameters
               they received and the output they generated.
@@ -234,7 +234,7 @@ class FAQPipeline(BaseStandardPipeline):
             debug: Optional[bool] = None):
         """
         :param query: the query string.
-        :param params: params for the `retriever`. For instance, params={"retriever": {"top_k": 10}}
+        :param params: params for the `retriever`. For instance, params={"Retriever": {"top_k": 10}}
         :param debug: Whether the pipeline should instruct nodes to collect debug information
               about their execution. By default these include the input parameters
               they received and the output they generated.