Fix small typos in iop key generation & agreement APIs

Signed-off-by: Waleed Elmelegy <waleed.elmelegy@arm.com>
diff --git a/tf-psa-crypto/include/psa/crypto_struct.h b/tf-psa-crypto/include/psa/crypto_struct.h
index 84fffbd..09f4c18 100644
--- a/tf-psa-crypto/include/psa/crypto_struct.h
+++ b/tf-psa-crypto/include/psa/crypto_struct.h
@@ -531,7 +531,7 @@
 }
 
 /**
- * \brief The context for PSA interruptible key agreement.
+ * \brief The context for PSA interruptible key generation.
  */
 struct psa_generate_key_iop_s {
 #if defined(MBEDTLS_PSA_CRYPTO_CLIENT) && !defined(MBEDTLS_PSA_CRYPTO_C)