docs: fix levels

docs/troubleshooting.md

@@ -13,7 +13,7 @@
 
 ## <a id="linux"></a>Linux
 
-#### <a id="linux-fonts-rectangle"></a>*Fonts showing up as rectangles*
+### <a id="linux-fonts-rectangle"></a>*Fonts showing up as rectangles*
 
 The following command should help:
 
@@ -23,7 +23,7 @@ rm -rf ~/snap/codium/common/.cache
 fc-cache -r
 ```
 
-#### <a id="linux-rendering-glitches"></a>*Text and/or the entire interface not appearing*
+### <a id="linux-rendering-glitches"></a>*Text and/or the entire interface not appearing*
 
 You have likely encountered [a bug in Chromium and Electron](microsoft/vscode#190437) when compiling Mesa shaders, which has affected all Visual Studio Code and VSCodium versions for Linux distributions since 1.82.  The current workaround (see microsoft/vscode#190437) is to delete the GPU cache as follows:
 
@@ -31,7 +31,7 @@ You have likely encountered [a bug in Chromium and Electron](microsoft/vscode#19
 rm -rf ~/.config/VSCodium/GPUCache
 ```
 
-#### <a id="linux-kde-global-menu"></a>*Global menu workaround for KDE*
+### <a id="linux-kde-global-menu"></a>*Global menu workaround for KDE*
 
 Install these packages on Fedora:
 
@@ -43,7 +43,7 @@ On Ubuntu this package is called `libdbusmenu-glib4`.
 
 Credits: [Gerson](https://gitlab.com/paulcarroty/vscodium-deb-rpm-repo/-/issues/91)
 
-#### <a id="linux-flatpak-most-common-issues"></a>*Flatpak most common issues*
+### <a id="linux-flatpak-most-common-issues"></a>*Flatpak most common issues*
 
 - blurry screen with HiDPI on wayland run:
   ```bash
@@ -63,7 +63,7 @@ Credits: [Gerson](https://gitlab.com/paulcarroty/vscodium-deb-rpm-repo/-/issues/
 
 - If you have any other problems with the flatpak package try to look on the [FAQ](https://github.com/flathub/com.vscodium.codium?tab=readme-ov-file#faq) maybe the solution is already there or open an [issue](https://github.com/flathub/com.vscodium.codium/issues).
 
-##### <a id="linux-remote-ssh"></a>*Remote SSH doesn't work*
+### <a id="linux-remote-ssh"></a>*Remote SSH doesn't work*
 
 Use the VSCodium's compatible extension [Open Remote - SSH](https://open-vsx.org/extension/jeanp413/open-remote-ssh).