diff --git a/pkgs/applications/networking/dropbox-cli/default.nix b/pkgs/applications/networking/dropbox-cli/default.nix
index 34fe6db8932b..194b7d92c403 100644
--- a/pkgs/applications/networking/dropbox-cli/default.nix
+++ b/pkgs/applications/networking/dropbox-cli/default.nix
@@ -1,7 +1,8 @@
 { stdenv, coreutils, fetchurl, python, dropbox }:
 
 stdenv.mkDerivation {
-  name = "dropbox-cli";
+  # 1.6.0 because it's the only version mentioned in the script
+  name = "dropbox-cli-1.6.0";
 
   src = fetchurl {
     # Note: dropbox doesn't version this file. Annoying.
@@ -29,7 +30,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = http://dropbox.com;
-    description = "Command line client for the dropbox daemon.";
+    description = "Command line client for the dropbox daemon";
     license = stdenv.lib.licenses.gpl3;
     maintainers = with stdenv.lib.maintainers; [ the-kenny ];
     # NOTE: Dropbox itself only works on linux, so this is ok.
diff --git a/pkgs/development/compilers/avra/default.nix b/pkgs/development/compilers/avra/default.nix
index db9fafa42f10..706659194005 100644
--- a/pkgs/development/compilers/avra/default.nix
+++ b/pkgs/development/compilers/avra/default.nix
@@ -19,10 +19,11 @@ stdenv.mkDerivation rec {
     automake -a
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     description = "Assember for the Atmel AVR microcontroller family";
     homepage = http://avra.sourceforge.net/;
-    license = stdenv.lib.licenses.gpl2Plus;
-    maintainers = with stdenv.lib.maintainers; [ the-kenny ];
+    license = licenses.gpl2Plus;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ the-kenny ];
   };
 }
diff --git a/pkgs/development/interpreters/elixir/default.nix b/pkgs/development/interpreters/elixir/default.nix
index 3ac2368342da..9eba4275dd31 100644
--- a/pkgs/development/interpreters/elixir/default.nix
+++ b/pkgs/development/interpreters/elixir/default.nix
@@ -29,9 +29,9 @@ stdenv.mkDerivation {
     done
   '';
 
-  meta = {
+  meta = with stdenv.lib; {
     homepage = "http://elixir-lang.org/";
-    description = "Elixir is a functional, meta-programming aware language built on top of the Erlang VM.";
+    description = "A functional, meta-programming aware language built on top of the Erlang VM";
 
     longDescription = ''
       Elixir is a functional, meta-programming
@@ -41,8 +41,8 @@ stdenv.mkDerivation {
       fault-tolerant applications with hot code upgrades.p
     '';
 
-    platforms = stdenv.lib.platforms.linux;
-
-    maintainers = [ stdenv.lib.maintainers.the-kenny ];
+    license = licenses.epl10;
+    platforms = platforms.linux;
+    maintainers = [ maintainers.the-kenny ];
   };
 }
diff --git a/pkgs/development/tools/build-managers/rebar/default.nix b/pkgs/development/tools/build-managers/rebar/default.nix
index 68eacf8d2ea4..ac6951785416 100644
--- a/pkgs/development/tools/build-managers/rebar/default.nix
+++ b/pkgs/development/tools/build-managers/rebar/default.nix
@@ -18,7 +18,7 @@ stdenv.mkDerivation {
 
   meta = {
     homepage = "https://github.com/rebar/rebar";
-    description = "Erlang build tool that makes it easy to compile and test Erlang applications, port drivers and releases.";
+    description = "Erlang build tool that makes it easy to compile and test Erlang applications, port drivers and releases";
 
     longDescription = ''
       rebar is a self-contained Erlang script, so it's easy to
diff --git a/pkgs/development/tools/misc/stm32flash/default.nix b/pkgs/development/tools/misc/stm32flash/default.nix
index 496288285c7b..6b99a5755e42 100644
--- a/pkgs/development/tools/misc/stm32flash/default.nix
+++ b/pkgs/development/tools/misc/stm32flash/default.nix
@@ -8,19 +8,17 @@ stdenv.mkDerivation {
     sha256 = "04k631g9lzvp9xr4sw51xpq1g542np61s1l8fpwx9rbsc8m5l0i6";
   };
 
-  buildInputs = [];
-
   installPhase = ''
     # Manually copy, make install copies to /usr/local/bin
     mkdir -pv $out/bin/
     cp stm32flash $out/bin/
   '';
 
-  meta = { 
-    description = "Open source flash program for the STM32 ARM processors using the ST bootloader.";
+  meta = with stdenv.lib; {
+    description = "Open source flash program for the STM32 ARM processors using the ST bootloader";
     homepage = https://code.google.com/p/stm32flash/;
     license = "GPLv2";
-    platforms = stdenv.lib.platforms.all; # Should work on all platforms
-    maintainers = [ stdenv.lib.maintainers.the-kenny ];
+    platforms = platforms.all; # Should work on all platforms
+    maintainers = [ maintainers.the-kenny ];
   };
 }
diff --git a/pkgs/tools/misc/stow/default.nix b/pkgs/tools/misc/stow/default.nix
index e0d7985ae07c..58f30a021fa3 100644
--- a/pkgs/tools/misc/stow/default.nix
+++ b/pkgs/tools/misc/stow/default.nix
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
   doCheck = true;
 
   meta = {
-    description = "Stow is a tool for managing the installation of multiple software packages in the same run-time directory tree.";
+    description = "A tool for managing the installation of multiple software packages in the same run-time directory tree";
 
     longDescription = ''
       GNU Stow is a symlink farm manager which takes distinct packages