gptel: Update docstrings, GPTel to gptel

* gptel.el (gptel-curl-file-size-threshold): Update spelling "GPTel"
to "gptel".
* gptel-transient.el: Ditto
* gptel-curl.el (gptel-curl--stream-cleanup): Ditto
* gptel-context.el: Ditto

Author: karthink

gptel-context.el

@@ -1,4 +1,4 @@
-;;; gptel-context.el --- Context aggregator for GPTel  -*- lexical-binding: t; -*-
+;;; gptel-context.el --- Context aggregator for gptel  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2023  Karthik Chikmagalur
 
@@ -23,7 +23,7 @@
 ;;; Commentary:
 
 ;; The context allows you to conveniently create contexts which can be fed
-;; to GPTel.
+;; to gptel.
 
 ;;; Code:
 

gptel-curl.el

@@ -1,4 +1,4 @@
-;;; gptel-curl.el --- Curl support for GPTel         -*- lexical-binding: t; -*-
+;;; gptel-curl.el --- Curl support for gptel         -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2023  Karthik Chikmagalur
 
@@ -22,7 +22,7 @@
 
 ;;; Commentary:
 
-;; Curl support for GPTel.  Utility functions.
+;; Curl support for gptel.  Utility functions.
 
 ;;; Code:
 
@@ -205,7 +205,7 @@ PROC-INFO is the plist containing process metadata."
 
 ;; TODO: Separate user-messaging from this function
 (defun gptel-curl--stream-cleanup (process _status)
-  "Process sentinel for GPTel curl requests.
+  "Process sentinel for gptel curl requests.
 
 PROCESS and _STATUS are process parameters."
   (let ((proc-buf (process-buffer process)))

gptel-transient.el

@@ -1,4 +1,4 @@
-;;; gptel-transient.el --- Transient menu for GPTel  -*- lexical-binding: t; -*-
+;;; gptel-transient.el --- Transient menu for gptel  -*- lexical-binding: t; -*-
 
 ;; Copyright (C) 2023  Karthik Chikmagalur
 

gptel.el

@@ -248,15 +248,15 @@ This only affects requests originating from Org mode buffers."
   "Size threshold for using file input with Curl.
 
 Specifies the size threshold for when to use a temporary file to pass data to
-Curl in GPTel queries.  If the size of the data to be sent exceeds this
+Curl in gptel queries.  If the size of the data to be sent exceeds this
 threshold, the data is written to a temporary file and passed to Curl using the
 `--data-binary' option with a file reference.  Otherwise, the data is passed
 directly as a command-line argument.
 
 The value is an integer representing the number of bytes.
 
 Adjusting this value may be necessary depending on the environment
-and the typical size of the data being sent in GPTel queries.
+and the typical size of the data being sent in gptel queries.
 A larger value may improve performance by avoiding the overhead of creating
 temporary files for small data payloads, while a smaller value may be needed
 if the command-line argument size is limited by the operating system.