diff --git a/libctru/include/3ds/services/cfgu.h b/libctru/include/3ds/services/cfgu.h
index 774e5aa..d54f694 100644
--- a/libctru/include/3ds/services/cfgu.h
+++ b/libctru/include/3ds/services/cfgu.h
@@ -197,18 +197,18 @@ Result CFGI_GetLocalFriendCodeSeed(u64* seed);
 
 /**
  * @brief Gets the 0x11-byte data following the SecureInfo signature.
- * @param data Pointer to output the buffer. (The size must be at least 0x110-bytes)
+ * @param data Pointer to output the buffer. (The size must be at least 0x11-bytes)
  */
 Result CFGI_GetSecureInfoData(u8 *data);
 
 /**
  * @brief Gets the 0x100-byte RSA-2048 SecureInfo signature.
- * @param data Pointer to output the buffer. (The size must be at least 0x110-bytes)
+ * @param data Pointer to output the buffer. (The size must be at least 0x100-bytes)
  */
 Result CFGI_GetSecureInfoSignature(u8 *data);
 
 /**
  * @brief Gets value loaded from SecureInfo offset 0x101.
- * @param data Pointer to output the buffer. (The size must be at least 0x110-bytes)
+ * @param data Pointer to output the buffer.
  */
 Result CFGI_GetSecureInfoByte101(u8 *data);