Update security_oauth.md

Author: pballai

site/sigmaguides/src/security_oauth/security_oauth.md

@@ -638,7 +638,7 @@ and `EXTERNAL_OAUTH_JWS_KEYS_URL` for your values:
 CREATE OR REPLACE SECURITY INTEGRATION Sigma_Okta_security_integration
 TYPE = EXTERNAL_OAUTH
 ENABLED = TRUE
-EXTERNAL_OAUTH_TYPE = 'OKTA'
+EXTERNAL_OAUTH_TYPE = OKTA
 EXTERNAL_OAUTH_ISSUER = 'YOUR VALUE'
 EXTERNAL_OAUTH_JWS_KEYS_URL = 'YOUR VALUE'
 EXTERNAL_OAUTH_TOKEN_USER_MAPPING_CLAIM = 'snowflake_username'