[web] docs: fix rpcd page header syntax

[LEDE Commits]

blogic pushed a commit to web.git, branch master:
https://git.lede-project.org/?p=web.git;a=commitdiff;h=2a514f61aef87712150ed023275ae3f1579d14aa

commit 2a514f61aef87712150ed023275ae3f1579d14aa
Author: Rafał Miłecki <zajec5 at gmail.com>
AuthorDate: Sat Jul 2 09:19:28 2016 +0200

    docs: fix rpcd page header syntax
    
    Signed-off-by: Rafał Miłecki <zajec5 at gmail.com>
---
 docs/rpcd.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/rpcd.txt b/docs/rpcd.txt
index 2166661..3756ee3 100644
--- a/docs/rpcd.txt
+++ b/docs/rpcd.txt
@@ -1,7 +1,7 @@
 ---
 ---
 RPC daemon
-========================
+==========
 
 == RPC daemon