diff --git a/README.md b/README.md
index bdd0eea5a7..d1951e43f7 100644
--- a/README.md
+++ b/README.md
@@ -288,8 +288,8 @@ You can use all of the following options with the standalone version of the <red
     * `color`: # COMPUTED: colors.primary.main
     * `visited`: # COMPUTED: typography.links.color
     * `hover`: # COMPUTED: lighten(0.2 typography.links.color)
-    * `textDecoration`: 'auto'
-    * `hoverTextDecoration`: 'auto'
+    * `textDecoration`: 'underline'
+    * `hoverTextDecoration`: 'underline'
 * `sidebar`
   * `width`: '260px'
   * `backgroundColor`: '#fafafa'
diff --git a/src/theme.ts b/src/theme.ts
index 25a9122441..14566e4b18 100644
--- a/src/theme.ts
+++ b/src/theme.ts
@@ -128,8 +128,8 @@ const defaultTheme: ThemeInterface = {
       color: ({ colors }) => colors.primary.main,
       visited: ({ typography }) => typography.links.color,
       hover: ({ typography }) => lighten(0.2, typography.links.color),
-      textDecoration: 'auto',
-      hoverTextDecoration: 'auto',
+      textDecoration: 'underline',
+      hoverTextDecoration: 'underline',
     },
   },
   sidebar: {