diff --git a/requests/api.py b/requests/api.py
index 8967c26b..c3c211c1 100644
--- a/requests/api.py
+++ b/requests/api.py
@@ -24,8 +24,8 @@ def request(method, url, params=None, data=None, headers=None, cookies=None, fil
 
     :param method: method for the new :class:`Request` object.
     :param url: URL for the new :class:`Request` object.
-    :param params: (optional) Dictionary of GET/HEAD/DELETE Parameters to send with the :class:`Request`.
-    :param data: (optional) Bytes/Dictionary of PUT/POST Data to send with the :class:`Request`.
+    :param params: (optional) Dictionary or bytes to be sent in the query string for the :class:`Request`.
+    :param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
     :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`.
     :param cookies: (optional) CookieJar object to send with the :class:`Request`.
     :param files: (optional) Dictionary of 'filename': file-like-objects for multipart encoding upload.
@@ -57,7 +57,7 @@ def get(url, params=None, headers=None, cookies=None, auth=None, timeout=None):
     """Sends a GET request. Returns :class:`Response` object.
 
     :param url: URL for the new :class:`Request` object.
-    :param params: (optional) Dictionary of GET Parameters to send with the :class:`Request`.
+    :param params: (optional) Dictionary of parameters, or bytes, to be sent in the query string for the :class:`Request`.
     :param headers: (optional) Dictionary of HTTP Headers to send with the :class:`Request`.
     :param cookies: (optional) CookieJar object to send with the :class:`Request`.
     :param auth: (optional) AuthObject to enable Basic HTTP Auth.
@@ -71,7 +71,7 @@ def head(url, params=None, headers=None, cookies=None, auth=None, timeout=None):
     """Sends a HEAD request. Returns :class:`Response` object.
 
     :param url: URL for the new :class:`Request` object.
-    :param params: (optional) Dictionary of GET Parameters to send with the :class:`Request`.
+    :param params: (optional) Dictionary of parameters, or bytes, to be sent in the query string for the :class:`Request`.
     :param headers: (optional) Dictionary of HTTP Headers to sent with the :class:`Request`.
     :param cookies: (optional) CookieJar object to send with the :class:`Request`.
     :param auth: (optional) AuthObject to enable Basic HTTP Auth.
@@ -85,7 +85,7 @@ def post(url, data='', headers=None, files=None, cookies=None, auth=None, timeou
     """Sends a POST request. Returns :class:`Response` object.
 
     :param url: URL for the new :class:`Request` object.
-    :param data: (optional) Dictionary or bytes of POST data to send with the :class:`Request`.
+    :param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
     :param headers: (optional) Dictionary of HTTP Headers to sent with the :class:`Request`.
     :param files: (optional) Dictionary of 'filename': file-like-objects for multipart encoding upload.
     :param cookies: (optional) CookieJar object to send with the :class:`Request`.
@@ -102,8 +102,8 @@ def put(url, data='', headers=None, files=None, cookies=None, auth=None, timeout
     """Sends a PUT request. Returns :class:`Response` object.
 
     :param url: URL for the new :class:`Request` object.
-    :param data: (optional) Bytes of PUT Data to send with the :class:`Request`.
-    :param headers: (optional) Dictionary or bytes of HTTP Headers to sent with the :class:`Request`.
+    :param data: (optional) Dictionary or bytes to send in the body of the :class:`Request`.
+    :param headers: (optional) Dictionary of HTTP Headers to sent with the :class:`Request`.
     :param files: (optional) Dictionary of 'filename': file-like-objects for multipart encoding upload.
     :param cookies: (optional) CookieJar object to send with the :class:`Request`.
     :param auth: (optional) AuthObject to enable Basic HTTP Auth.
@@ -119,7 +119,7 @@ def delete(url, params=None, headers=None, cookies=None, auth=None, timeout=None
     """Sends a DELETE request. Returns :class:`Response` object.
 
     :param url: URL for the new :class:`Request` object.
-    :param params: (optional) Dictionary of DELETE Parameters to send with the :class:`Request`.
+    :param params: (optional) Dictionary of parameters, or bytes, to be sent in the query string for the :class:`Request`.
     :param headers: (optional) Dictionary of HTTP Headers to sent with the :class:`Request`.
     :param cookies: (optional) CookieJar object to send with the :class:`Request`.
     :param auth: (optional) AuthObject to enable Basic HTTP Auth.