slight readme clarification

README.md

diff --git a/README.md b/README.md
index 44edd54..621862e 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@
 The docs can be found at [godoc.org] [docs], as usual.
 
 A gopkg.in mirror can be found at https://gopkg.in/jose.v1, thanks to
-@zia-newversion. (For context, see #30.) 
+@zia-newversion. (For context, see issue #30.) 
 
 ### [JWS RFC][jws]
 ### [JWE RFC][jwe]