Doc: Minor fix to init config C API documentation (GH-21198)


Co-authored-by: Tomer Vromen <tomer.vromen@intel.com>
(cherry picked from commit 741008a57bdc95090b8be6ded5a9fd3f17f7bf21)

Co-authored-by: tomerv <tomerv@gmail.com>
diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst
index b7298ba..f2b82a0 100644
--- a/Doc/c-api/init_config.rst
+++ b/Doc/c-api/init_config.rst
@@ -197,12 +197,12 @@
 
    Function to initialize a preconfiguration:
 
-   .. c:function:: void PyPreConfig_InitIsolatedConfig(PyPreConfig *preconfig)
+   .. c:function:: void PyPreConfig_InitPythonConfig(PyPreConfig *preconfig)
 
       Initialize the preconfiguration with :ref:`Python Configuration
       <init-python-config>`.
 
-   .. c:function:: void PyPreConfig_InitPythonConfig(PyPreConfig *preconfig)
+   .. c:function:: void PyPreConfig_InitIsolatedConfig(PyPreConfig *preconfig)
 
       Initialize the preconfiguration with :ref:`Isolated Configuration
       <init-isolated-conf>`.