diff --git a/src/H5FDs3comms.c b/src/H5FDs3comms.c
index 51abe447860..3f5c7af452e 100644
--- a/src/H5FDs3comms.c
+++ b/src/H5FDs3comms.c
@@ -1849,8 +1849,8 @@ H5FD__s3comms_load_aws_creds_from_file(FILE *file, const char *profile_name, cha
  * Purpose:
  *
  *     Get aws credentials from environment variables AWS_ACCESS_KEY_ID,
- *     AWS_SECRET_ACCESS_KEY, AWS_REGION and AWS_SESSION_TOKEN.  
- *     Values from these environment variables will override any values 
+ *     AWS_SECRET_ACCESS_KEY, AWS_REGION and AWS_SESSION_TOKEN.
+ *     Values from these environment variables will override any values
  *     for corresponding variables loaded from credentials and configuration
  *     files.
  *