spelling mistake in arguments to build nghttp apps

doc/sources/h2load-howto.rst

@@ -12,7 +12,7 @@ Compiling from source
 ---------------------
 
 h2load is compiled alongside nghttp2 and requires that the
-``--enable-apps`` flag is passed to ``./configure`` and `required
+``--enable-app`` flag is passed to ``./configure`` and `required
 dependencies <https://github.com/nghttp2/nghttp2#requirements>`_ are
 available during compilation. For details on compiling, see `nghttp2:
 Building from Git