[Buildroot] [git commit] docs/manual: fix "+size = +" latex formatting

[Arnout Vandecappelle (Essensium/Mind)]

commit: https://git.buildroot.net/buildroot/commit/?id=46beca0656505e9a9d4d5d17d22f40550ac487c6
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

Signed-off-by: Giulio Benetti <giulio.benetti at benettiengineering.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>
---
 docs/manual/writing-rules.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/manual/writing-rules.txt b/docs/manual/writing-rules.txt
index 6255a08c1c..57ba61bdb1 100644
--- a/docs/manual/writing-rules.txt
+++ b/docs/manual/writing-rules.txt
@@ -184,7 +184,7 @@ image sdimage.img {
 * Every node(+section+, +partition+, +file+, +subnode+) must have an open
   curly bracket on the same line of the node's name, while the closing one
   must be on a newline and after it a newline must be added except for the
-  last one node. Same goes for its option, for example option +size = +.
+  last one node. Same goes for its option, for example option +size+ +=+.
 
 * Every +option+(i.e. +image+, +offset+, +size+) must have the +=+
   assignment one space from it and one space from the value specified.