Typo

Author: gsusanto-fastly

doc/GUIDE.md

@@ -194,6 +194,7 @@ If you mean to match them literally, escape them:
 | `[value]`                  | `\[value\]`                 | `[` and `]` start/end a character class    |
 | `(test)`                   | `\(test\)`                  | `(` and `)` begin/end a group              |
 | Markdown link `[t](u)`     | `(\[[^]]*\]\([^)]*\))`      | Matches `[text](url)` without crossing `]` or `)` |
+
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 ### 5. Use Non-Capturing Groups