Make wording of help summaries consistent.

As noted by @mpeterv in https://github.com/keplerproject/luarocks/pull/400#issuecomment-116307146
Changed them so they all use imperative verb form.

3 files changed, 3 insertions, 3 deletions

diff --git a/src/luarocks/doc.lua b/src/luarocks/doc.lua
index 034e2a16..53ed0116 100644
--- a/src/luarocks/doc.lua
+++ b/src/luarocks/doc.lua
@@ -13,7 +13,7 @@ local fetch = require("luarocks.fetch")
 local fs = require("luarocks.fs")
 local download = require("luarocks.download")
 
-doc.help_summary = "Shows documentation for an installed rock."
+doc.help_summary = "Show documentation for an installed rock."
 
 doc.help = [[
 <argument> is an existing package name.
diff --git a/src/luarocks/list.lua b/src/luarocks/list.lua
index 518b83ce..fddded03 100644
--- a/src/luarocks/list.lua
+++ b/src/luarocks/list.lua
@@ -11,7 +11,7 @@ local cfg = require("luarocks.cfg")
 local util = require("luarocks.util")
 local path = require("luarocks.path")
 
-list.help_summary = "Lists currently installed rocks."
+list.help_summary = "List currently installed rocks."
 list.help_arguments = "[--porcelain] <filter>"
 list.help = [[
 <filter> is a substring of a rock name to filter by.
diff --git a/src/luarocks/show.lua b/src/luarocks/show.lua
index 3243c0ce..08b2673f 100644
--- a/src/luarocks/show.lua
+++ b/src/luarocks/show.lua
@@ -11,7 +11,7 @@ local path = require("luarocks.path")
 local deps = require("luarocks.deps")
 local fetch = require("luarocks.fetch")
 local manif = require("luarocks.manif")
-show.help_summary = "Shows information about an installed rock."
+show.help_summary = "Show information about an installed rock."
 
 show.help = [[
 <argument> is an existing package name.