fixes #19 - missed point added

Author: ishtms

chapters/ch04.2-writing-logs.md

@@ -436,7 +436,7 @@ There's a lot going on in this method. Let's break it down.
             You can also use special characters within character classes to match certain character types, like `\d` for digits, `\w` for word characters, `\s` for whitespace, etc.
 
             In this case we are looking for all the dot (`.`) characters and colon (`:`) characters in the string.
-            
+
     - `\.` matches a literal dot character. Since the dot (`.`) is a special character in regular expression, known as a wildcard. It matches any single character except for a newline character (`\n`). This is useful when you want to match any character, which is often used in pattern matching.
 
         However, in this case, we want to match a literal dot character in the string (the dot in the date-time format "00.000Z"). To achieve this, we need to escape the dot character by preceding it with a backslash (`\`). When you place a backslash before a special character, it indicates that you want to match the literal character itself, rather than its special meaning.
@@ -445,7 +445,7 @@ There's a lot going on in this method. Let's break it down.
 
     - `/g` is the global flag, indicating that the replacement should be applied to all occurrences of the pattern.
 
-    - So, the regex `\..+` matches the dot and all characters after it in the string.
+    - So, the regex `[\.:]+` matches the dot or colon and all the repeated occurences of these 2 characters.
 
     - The replacement `""` removes the dot and all characters after it.