Resolve "There is nothing about ZSH"

Closes #216 (closed), #217 (closed)

doc.zih.tu-dresden.de/docs/software/zsh.md

 # ZSH
 
-The ZSH, short for `z-shell`, is an alternative shell for Linux that offers many convienence features
+!!! warning
+    Though all efforts have been made to ensure the accuracy and 
+    currency of the content on this website, please be advised that 
+    some content might be out of date and there is no continuous 
+    website support available. In case of any ambiguity or doubts, 
+    users are advised to do their own research on the content's 
+    accuracy and currency.
+
+The ZSH, short for `z-shell`, is an alternative shell for Linux that offers many convenience features
 for productive use that `bash`, the default shell, does not offer.
 
 This should be a short introduction to `zsh` and offer some examples that are especially useful on Taurus.
@@ -96,7 +104,7 @@ mcd () {
 You can then
 
 ```
-marie@login$ mcd non-existant-directory
+marie@login$ mcd non-existent-directory
 ```
 
 and it will create it and `cd` into it
@@ -105,20 +113,20 @@ and it will create it and `cd` into it
 
 ```bash
 function treesizethis {
-	du -k --max-depth=1 | sort -nr | awk '
-	     BEGIN {
-		split("KB,MB,GB,TB", Units, ",");
-	     }
-	     {
-		u = 1;
-		while ($1 >= 1024) {
-		   $1 = $1 / 1024;
-		   u += 1
-		}
-		$1 = sprintf("%.1f %s", $1, Units[u]);
-		print $0;
-	     }
-	'
+    du -k --max-depth=1 | sort -nr | awk '
+         BEGIN {
+        split("KB,MB,GB,TB", Units, ",");
+         }
+         {
+        u = 1;
+        while ($1 >= 1024) {
+           $1 = $1 / 1024;
+           u += 1
+        }
+        $1 = sprintf("%.1f %s", $1, Units[u]);
+        print $0;
+         }
+    '
 }
 ```
 
@@ -149,8 +157,8 @@ This allows auto-completion for `module load`:
 function _module {
     MODULE_COMMANDS=(
         '-t:Show computer parsable output'
-        'load:Lload a Module'
-        'unload:Unload a Module'
+        'load:Load a module'
+        'unload:Unload a module'
         'spider:Search for a module'
         'avail:Show available modules'
         'list:List loaded modules'
@@ -167,13 +175,13 @@ compdef _module "module"
 
 ### Slurm-specific shortcuts
 
-#### Show slurm log path
+#### Show Slurm log path
 
 This allows you to run `slurmlogpath $SLURM_ID` and get the log-path directly in stdout:
 
 ```bash
 function slurmlogpath {
-	scontrol show job $1 | grep StdOut | sed -e 's/^\s*StdOut=//'
+    scontrol show job $1 | grep StdOut | sed -e 's/^\s*StdOut=//'
 }
 ```