Remove trailing whitespace.
diff --git a/Doc/c-api/conversion.rst b/Doc/c-api/conversion.rst
index b71283b..1c19879 100644
--- a/Doc/c-api/conversion.rst
+++ b/Doc/c-api/conversion.rst
@@ -80,7 +80,7 @@
 
    See the Unix man page :manpage:`atof(2)` for details.
 
-   
+
 .. cfunction:: char * PyOS_stricmp(char *s1, char *s2)
 
    Case insensitive comparison of strings. The function works almost