docstring before arg vec

Author: mtkp

README.md

@@ -24,7 +24,7 @@ Whenever you make an http request, add one or more of the hystrix-clj options to
                                    :hystrix/breaker-request-volume  20
                                    :hystrix/breaker-error-percent   50
                                    :hystrix/breaker-sleep-window-ms 5000
-                                   :hystrix/bad-request-pred client-error?}}
+                                   :hystrix/bad-request-pred        client-error?}}
 ```
 Any values not supplied will be set to their default values as above. Requests with no Hystrix-related keys won't use Hystrix.
 

src/clj_http_hystrix/core.clj

@@ -121,8 +121,9 @@
       (handle-exception #(.execute command) req))
     (f req)))
 
-(defn add-hook []
+(defn add-hook
   "Activate clj-http-hystrix to wrap all clj-http client requests as
   hystrix commands."
-  (when (not (some-> (meta http/request) :robert.hooke/hooks deref (contains? #'wrap-hystrix)))
+  []
+  (when-not (some-> (meta http/request) :robert.hooke/hooks deref (contains? #'wrap-hystrix))
     (hooke/add-hook #'http/request #'wrap-hystrix)))