diff --git a/e107-Coding-Standard.md b/e107-Coding-Standard.md
index dc69795..1e95dd2 100644
--- a/e107-Coding-Standard.md
+++ b/e107-Coding-Standard.md
@@ -46,8 +46,13 @@ Use BSD/Allman/Pascal style - opening '{' on a new line. The only exception is f
 
 [PSR-1](https://www.php-fig.org/psr/psr-1/) is used with the exception of class/method naming (see below). 
 
+## Variables
+Use **camelCase** naming. 
+
+    $myVariable = "whatever"; 
+
 ## Constants
-Use UPPER_CASE_WITH_UNDERSCORES for constants. 
+Use **UPPER_CASE_WITH_UNDERSCORES** for constants. 
     
     define("CONSTANT_NAME", "some value");
 
@@ -103,6 +108,8 @@ One example: use the e107 file-class instead of PHP file functions to read direc
     $filesArray = $fl->get_files($path, $fmask);
 
 ## Paths
+File names must be all lowercase. 
+
 Use the e_XXX path constants to refer to directories:
 Absolute constants (e_XXX_ABS) for paths within HTML pages
 Relative paths (e_XXX) to access files from within the code