doc/architecture.rst: fix a typo in EC section

In erasure coding section under Architecture, there is a mention of k = 2 + M =1 for
number of data copies and redundancy copies respectively, which is a bit ambiguous.
The proposal is to change to k = 2, M = 1 as the + sign is not needed here.

Signed-off-by: Nag Pavan Chilakam <nagpavan.chilakam@gmail.com>

diff --git a/doc/architecture.rst b/doc/architecture.rst
index 95f43245a509570b3f3bfa4ab432b026ff55e898..d89ddb5b85ee59d9595a4f01d96c9a9cbfb38c62 100644 (file)
--- a/doc/architecture.rst
+++ b/doc/architecture.rst
@@ -794,7 +794,7 @@ sends them to the other OSDs. It is also responsible for maintaining an
 authoritative version of the placement group logs.
 
 In the following diagram, an erasure coded placement group has been created with
-``K = 2 + M = 1`` and is supported by three OSDs, two for ``K`` and one for
+``K = 2, M = 1`` and is supported by three OSDs, two for ``K`` and one for
 ``M``. The acting set of the placement group is made of **OSD 1**, **OSD 2** and
 **OSD 3**. An object has been encoded and stored in the OSDs : the chunk
 ``D1v1`` (i.e. Data chunk number 1, version 1) is on **OSD 1**, ``D2v1`` on