diff --git a/doc/docportal/advanced_topics/understand_graphics.rst b/doc/docportal/advanced_topics/understand_graphics.rst
index 4149d4f8943..fd2bba097ea 100644
--- a/doc/docportal/advanced_topics/understand_graphics.rst
+++ b/doc/docportal/advanced_topics/understand_graphics.rst
@@ -14,6 +14,7 @@ For the SDL Surface graphics mode, the scaler is applied first, then the aspect
 Render modes are only applicable to some older games that were designed to be played on multiple systems, and lets us choose which system's graphics to replicate.
 
 .. _graphics:
+
 Graphics modes
 ---------------------------
 
@@ -172,6 +173,7 @@ The game may be stretch horizontally or vertically to fill the window. This mode
 To switch between stretch modes, press :kbd:`Ctrl+Alt+s`.
 
 .. _filter:
+
 Render mode
 -------------