update warning syntax

Author: sai-sunder-s

docs/user-guide.rst

@@ -29,12 +29,13 @@ that supports OpenID Connect (OIDC).
 Obtaining credentials
 ---------------------
 
-.. warning:::Important: If you accept a credential configuration (credential JSON/File/Stream)
-from an external source for authentication to Google Cloud Platform, you must
-validate it before providing it to any Google API or client library. Providing an
-unvalidated credential configuration to Google APIs or libraries can compromise
-the security of your systems and data. For more information, refer to
-`Validate credential configurations from external sources`_.
+.. warning::
+    Important: If you accept a credential configuration (credential JSON/File/Stream)
+    from an external source for authentication to Google Cloud Platform, you must
+    validate it before providing it to any Google API or client library. Providing an
+    unvalidated credential configuration to Google APIs or libraries can compromise
+    the security of your systems and data. For more information, refer to
+    `Validate credential configurations from external sources`_.
 
 .. _Validate credential configurations from external sources:
     https://cloud.google.com/docs/authentication/external/externally-sourced-credentials

google/auth/_default.py

@@ -85,15 +85,16 @@ def load_credentials_from_file(
     user credentials, external account credentials, or impersonated service
     account credentials.
 
-    .. warning:::Important: If you accept a credential configuration (credential JSON/File/Stream)
-    from an external source for authentication to Google Cloud Platform, you must
-    validate it before providing it to any Google API or client library. Providing an
-    unvalidated credential configuration to Google APIs or libraries can compromise
-    the security of your systems and data. For more information, refer to
-    `Validate credential configurations from external sources`_.
+    .. warning::
+        Important: If you accept a credential configuration (credential JSON/File/Stream)
+        from an external source for authentication to Google Cloud Platform, you must
+        validate it before providing it to any Google API or client library. Providing an
+        unvalidated credential configuration to Google APIs or libraries can compromise
+        the security of your systems and data. For more information, refer to
+        `Validate credential configurations from external sources`_.
 
-    .. _Validate credential configurations from external sources:
-        https://cloud.google.com/docs/authentication/external/externally-sourced-credentials
+        .. _Validate credential configurations from external sources:
+            https://cloud.google.com/docs/authentication/external/externally-sourced-credentials
 
     Args:
         filename (str): The full path to the credentials file.
@@ -147,12 +148,13 @@ def load_credentials_from_dict(
     user credentials, external account credentials, or impersonated service
     account credentials.
 
-    .. warning:::Important: If you accept a credential configuration (credential JSON/File/Stream)
-    from an external source for authentication to Google Cloud Platform, you must
-    validate it before providing it to any Google API or client library. Providing an
-    unvalidated credential configuration to Google APIs or libraries can compromise
-    the security of your systems and data. For more information, refer to
-    `Validate credential configurations from external sources`_.
+    .. warning::
+        Important: If you accept a credential configuration (credential JSON/File/Stream)
+        from an external source for authentication to Google Cloud Platform, you must
+        validate it before providing it to any Google API or client library. Providing an
+        unvalidated credential configuration to Google APIs or libraries can compromise
+        the security of your systems and data. For more information, refer to
+        `Validate credential configurations from external sources`_.
 
     .. _Validate credential configurations from external sources:
         https://cloud.google.com/docs/authentication/external/externally-sourced-credentials