explain the purge logic, as clarified in FRiCKLE#16

Resolved FRiCKLE#18
nginx-modules · Aug 3, 2016 · 93f9a2b · 93f9a2b
1 parent 331fe43
commit 93f9a2b
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -1,7 +1,8 @@
 About
 =====
 `ngx_cache_purge` is `nginx` module which adds ability to purge content from
-`FastCGI`, `proxy`, `SCGI` and `uWSGI` caches.
+`FastCGI`, `proxy`, `SCGI` and `uWSGI` caches. A purge operation removes the 
+content with the same cache key as the purge request has.
 
 
 Sponsors