diff --git a/nixos/doc/manual/installation/installing.xml b/nixos/doc/manual/installation/installing.xml
index ab9108c30a7..d4746f2eb3a 100644
--- a/nixos/doc/manual/installation/installing.xml
+++ b/nixos/doc/manual/installation/installing.xml
@@ -45,7 +45,10 @@ for a UEFI installation is by and large the same as a BIOS installation. The dif
   using <command>ifconfig</command>.</para>
   <para>To manually configure the network on the graphical installer,
   first disable network-manager with
-  <command>systemctl stop network-manager</command>.</para></listitem>
+  <command>systemctl stop network-manager</command>.</para>
+  <para>To manually configure the wifi on the minimal installer, run
+  <command>wpa_supplicant -B -i interface -c &lt;(wpa_passphrase 'SSID' 'key')</command>.</para></listitem>
+
 
   <listitem><para>If you would like to continue the installation from a different
   machine you need to activate the SSH daemon via <literal>systemctl start sshd</literal>.
diff --git a/nixos/modules/config/shells-environment.nix b/nixos/modules/config/shells-environment.nix
index 65f2e5d7af9..398660967c5 100644
--- a/nixos/modules/config/shells-environment.nix
+++ b/nixos/modules/config/shells-environment.nix
@@ -36,7 +36,7 @@ in
       default = {};
       description = ''
         A set of environment variables used in the global environment.
-        These variables will be set on shell initialisation.
+        These variables will be set on shell initialisation (e.g. in /etc/profile).
         The value of each variable can be either a string or a list of
         strings.  The latter is concatenated, interspersed with colon
         characters.
diff --git a/nixos/modules/programs/zsh/zsh.nix b/nixos/modules/programs/zsh/zsh.nix
index 6fb1346bbb3..5102bfef032 100644
--- a/nixos/modules/programs/zsh/zsh.nix
+++ b/nixos/modules/programs/zsh/zsh.nix
@@ -36,8 +36,9 @@ in
       shellAliases = mkOption {
         default = config.environment.shellAliases;
         description = ''
-          Set of aliases for zsh shell. See <option>environment.shellAliases</option>
-          for an option format description.
+          Set of aliases for zsh shell. Overrides the default value taken from
+           <option>environment.shellAliases</option>.
+          See <option>environment.shellAliases</option> for an option format description.
         '';
         type = types.attrs; # types.attrsOf types.stringOrPath;
       };