Updates to documentation in README.md.

Author: bhayatus

README.md

@@ -19,14 +19,14 @@ Next, create a file that will contain your aliases (if you aren't using one alre
     $ touch ~/.aliases
 
 Add the following to a startup script such as `.bashrc` (or `.zshrc` if you are on `macOS`):
-    
+
     export ALIASES_FILE=~/.aliases
     source $ALIASES_FILE
 
     # Necessary if you don't want to restart your current session for changes to take effect.
     aliaser () {
       command aliaser "$@"
-      if [ $? -eq 0 ]; then 
+      if [ $? -eq 0 ]; then
         if [ $1 = "add" ]; then
           source $ALIASES_FILE
         elif [ $1 = "rm" ]; then
@@ -40,6 +40,7 @@ Ensure that you source the updated `.bashrc` (or `.zshrc` if you went that route
     $ source ~/.bashrc
 
 ## Usage
+
 Running `aliaser help` displays the following:
 
     Tool for managing bash/zsh aliases
@@ -50,11 +51,11 @@ Running `aliaser help` displays the following:
         ls
               Lists all aliases saved in the aliases file, in alphabetical order
 
-        add <alias> <command>
+        add <alias_name> <command>
               Creates/replaces an alias for the specified command in the aliases file
               The alias name must not contain any spaces, and can only consist of alphanumeric characters
 
-        rm <alias>
+        rm <alias_name>
               Removes the alias permanently from the aliases file
               The alias name must not contain any spaces
 
@@ -69,4 +70,5 @@ Running `aliaser help` displays the following:
 Note that this tool only manages aliases stored within the aliases file, any declared outside will not be affected.
 
 ## Demo
+
 ![Demo](demo.gif)