doc:doc-guide: fix a typo and an error

Fix a typo in sphinx.rst and a minor error in parse-header.rst

Signed-off-by: Federico Vaga <federico.vaga@vaga.pv.it>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/doc-guide/parse-headers.rst b/Documentation/doc-guide/parse-headers.rst
index 82a3e43..684490c 100644
--- a/Documentation/doc-guide/parse-headers.rst
+++ b/Documentation/doc-guide/parse-headers.rst
@@ -133,7 +133,7 @@
 
 \ **symbol**\
 
- The ignore or replace statement will apply to the name of enum statements
+ The ignore or replace statement will apply to the name of enum value
  at C_FILE.
 
  For replace statements, \ **new_value**\  will automatically use :c:type: