edits to gssapi

Author: lindseymoore

source/includes/fundamentals/code-snippets/auth-credentials-gssapi-properties.rst

@@ -1,5 +1,5 @@
 .. code-block:: java
 
-   MongoCredential credential = MongoCredential.createGSSAPICredential(<db_username>);
+   MongoCredential credential = MongoCredential.createGSSAPICredential(<principal_username>);
    credential = credential.withMechanismProperty(MongoCredential.SERVICE_NAME_KEY, "myService");
 

source/includes/fundamentals/code-snippets/auth-credentials-gssapi-subject-key.rst

@@ -4,6 +4,6 @@
    loginContext.login();
    Subject subject = loginContext.getSubject();
 
-   MongoCredential credential = MongoCredential.createGSSAPICredential(<db_username>);
+   MongoCredential credential = MongoCredential.createGSSAPICredential(<principal_username>);
    credential = credential.withMechanismProperty(MongoCredential.JAVA_SUBJECT_KEY, subject);
 

source/includes/fundamentals/code-snippets/auth-credentials-gssapi-ticket-cache.rst

@@ -3,7 +3,7 @@
    /* all MongoClient instances sharing this instance of KerberosSubjectProvider
    will share a Kerberos ticket cache */
    String myLoginContext = "myContext";
-   MongoCredential credential = MongoCredential.createGSSAPICredential(<db_username>);
+   MongoCredential credential = MongoCredential.createGSSAPICredential(<principal_username>);
    /* login context defaults to "com.sun.security.jgss.krb5.initiate"
    if unspecified in KerberosSubjectProvider */
    credential = credential.withMechanismProperty(MongoCredential.JAVA_SUBJECT_PROVIDER_KEY,

source/includes/fundamentals/code-snippets/auth-credentials-gssapi.rst

@@ -1,6 +1,6 @@
 .. code-block:: java
 
-   MongoCredential credential = MongoCredential.createGSSAPICredential(<db_username>);
+   MongoCredential credential = MongoCredential.createGSSAPICredential(<principal_username>);
 
    MongoClient mongoClient = MongoClients.create(
        MongoClientSettings.builder()

source/security/auth/kerberos.txt

@@ -29,7 +29,7 @@ Code Placeholders
 
 The code examples on this page use the following placeholders:
 
-- ``<db_username>``: Your :wikipedia:`URL-encoded <Percent-encoding>` principal name. For
+- ``<principal_username>``: Your :wikipedia:`URL-encoded <Percent-encoding>` principal name. For
   example: ``"username%40REALM.ME"``
 - ``<hostname>``: The network address of your MongoDB deployment.
 - ``<port>``: The port number of your MongoDB deployment. If you omit this parameter,
@@ -64,7 +64,7 @@ mechanism:
 
       .. code-block:: java
 
-         MongoClient mongoClient = MongoClients.create("<db_username>@<hostname>:<port>/?authSource=$external&authMechanism=GSSAPI");
+         MongoClient mongoClient = MongoClients.create("<principal_username>@<hostname>:<port>/?authSource=$external&authMechanism=GSSAPI");
 
    .. tab::
       :tabid: MongoCredential
@@ -125,7 +125,7 @@ You might need to specify one or more of the following
 
       .. code-block:: java
 
-         MongoClient mongoClient = MongoClients.create("<db_username>@<hostname>:<port>/?authSource=$external&authMechanism=GSSAPI&authMechanismProperties=SERVICE_NAME:myService");
+         MongoClient mongoClient = MongoClients.create("<principal_username>@<hostname>:<port>/?authSource=$external&authMechanism=GSSAPI&authMechanismProperties=SERVICE_NAME:myService");
 
    .. tab::
       :tabid: MongoCredential