diff --git a/docs/theming.md b/docs/theming.md
index 131f81b6..088c855b 100644
--- a/docs/theming.md
+++ b/docs/theming.md
@@ -18,13 +18,8 @@ All default settings can be found in [`theme.yaml.gotmpl`](../helmfile/environme
 
 Please review the default configuration that is applied to understand your customization options.
 
-You can just update the files in:
-- [helmfile/files/theme](../helmfile/files/theme): To change logos, favicons etc.
-- [helmfile/files/portal-tiles](../helmfile/files/portal-tiles): To change the icons in the portal.
+You can just update the files in [helmfile/files/theme](../helmfile/files/theme) to change logos, favicons etc. Note that the `.svg` versions of the favicons are also used for the portal tiles.
 
 # Known limitations
 
-Not all applications support theming. Known exceptions are:
-- OpenProject, comes with a build in openDesk theming that can be modified in the Enterprise version's OpenProject web interface.
-- The portal background logo can (currently) only be set on initial deployment.
-- Portal and Keycloak screen styles must be applied in the [`portalStylesheets.css`](../helmfile/files/theme/portalStylesheet.css).
+- Portal and Keycloak screen styles, especially colors, must be applied in the [`portalStylesheets.css`](../helmfile/files/theme/portalStylesheet.css),
diff --git a/helmfile/apps/nubus/values-nubus.yaml.gotmpl b/helmfile/apps/nubus/values-nubus.yaml.gotmpl
index 0b3a34ef..f3853f1e 100644
--- a/helmfile/apps/nubus/values-nubus.yaml.gotmpl
+++ b/helmfile/apps/nubus/values-nubus.yaml.gotmpl
@@ -628,7 +628,7 @@ nubusPortalFrontend:
       css: {{ .Values.theme.styles.portal.main | toJson }}
       # Requires .ico, .svg does not work.
       favicon: {{ .Values.theme.imagery.portal.faviconIco | toJson }}
-      # The actual `logo` is set in customizing image, the logo down here is for for waiting spinner.
+      # The actual `logo` is set in customizing image, the logo down here is for waiting spinner.
       logo: {{ .Values.theme.imagery.portal.waitingSpinnerSvg | toJson }}
       backgroundImage: {{ .Values.theme.imagery.portal.backgroundSvg | toJson }}
   service: