typo

README.md

@@ -231,7 +231,7 @@ and `server.h` where called `redis.c` and `redis.h`. However the overall
 structure is the same. Keep in mind that all the new developmetns and pull
 requests should be performed against the `unstable` branch.
 
-sever.h
+server.h
 ---
 
 The simplest way to understand how a program works, is to understand the
@@ -297,7 +297,7 @@ Redis objects are used extensively in the Redis internals, however in order
 to avoid the overhead of indirect accesses, recently in many places
 we just use plain dynamic strings not wrapped inside a Redis object.
 
-sever.c
+server.c
 ---
 
 This is the entry point of the Redis server, where the `main()` function