Fix typo

Author: jan-tennert

KSP/README.md

@@ -1,6 +1,6 @@
 # Supabase KSP compiler
 
-Currently only supports generating columns for `@Selectable` types.
+Currently only supports generating columns for `@Selectable` data classes.
 
 To install it, add the KSP Gradle plugin to your project:
 

Postgrest/README.md

@@ -60,7 +60,7 @@ val supabase = createSupabaseClient(
 ```
 
 > [!NOTE]
-> Generating columns for `@Selectable` requires the [KSP compiler](/KSP) to be installed.
+> Generating columns for `@Selectable` data classes requires the [KSP compiler](/KSP) to be installed.
 
 # Usage