diff --git a/docs/reference/specifications/PSP-1 - Capability Model and Grammar.mdx b/docs/reference/specifications/psp-1.mdx
similarity index 100%
rename from docs/reference/specifications/PSP-1 - Capability Model and Grammar.mdx
rename to docs/reference/specifications/psp-1.mdx
diff --git a/sidebars.ts b/sidebars.ts
index 18d8e66..b4ee061 100644
--- a/sidebars.ts
+++ b/sidebars.ts
@@ -103,7 +103,7 @@ const sidebars: SidebarsConfig = {
             id: 'reference/specifications/README'
           },
           items: [
-            'reference/specifications/PSP-1 - Capability Model and Grammar',
+            'reference/specifications/psp-1',
           ],
         },
         {