Fix grammar and naming

Co-authored-by: Max Ryabinin <mryabinin0@gmail.com>

Author: newokaerinasai

src/together/cli/api/evaluation.py

@@ -52,7 +52,7 @@ def evaluation(ctx: click.Context) -> None:
     "--model-to-evaluate-name",
     type=str,
     default=None,
-    help="Model name when using detailed config",
+    help="Model name when using the detailed config",
 )
 @click.option(
     "--model-to-evaluate-max-tokens",
@@ -112,38 +112,38 @@ def evaluation(ctx: click.Context) -> None:
     "--model-a-field",
     type=str,
     default=None,
-    help="Name of the field in the input file containing text generated by Model A \
+    help="Name of the field in the input file containing text generated by Model A. \
         Can not be used when model-a-name and other model config parameters are specified",
 )
 @click.option(
     "--model-a-name",
     type=str,
     default=None,
-    help="Model name for model-a when using detailed config.",
+    help="Model name for model A when using detailed config.",
 )
 @click.option(
     "--model-a-max-tokens",
     type=int,
     default=None,
-    help="Max tokens for model-a.",
+    help="Max tokens for model A.",
 )
 @click.option(
     "--model-a-temperature",
     type=float,
     default=None,
-    help="Temperature for model-a.",
+    help="Temperature for model A.",
 )
 @click.option(
     "--model-a-system-template",
     type=str,
     default=None,
-    help="System template for model-a.",
+    help="System template for model A.",
 )
 @click.option(
     "--model-a-input-template",
     type=str,
     default=None,
-    help="Input template for model-a.",
+    help="Input template for model A.",
 )
 @click.option(
     "--model-b-field",
@@ -156,31 +156,31 @@ def evaluation(ctx: click.Context) -> None:
     "--model-b-name",
     type=str,
     default=None,
-    help="Model name for model-b when using detailed config.",
+    help="Model name for model B when using detailed config.",
 )
 @click.option(
     "--model-b-max-tokens",
     type=int,
     default=None,
-    help="Max tokens for model-b.",
+    help="Max tokens for model B.",
 )
 @click.option(
     "--model-b-temperature",
     type=float,
     default=None,
-    help="Temperature for model-b.",
+    help="Temperature for model B.",
 )
 @click.option(
     "--model-b-system-template",
     type=str,
     default=None,
-    help="System template for model-b.",
+    help="System template for model B.",
 )
 @click.option(
     "--model-b-input-template",
     type=str,
     default=None,
-    help="Input template for model-b.",
+    help="Input template for model B.",
 )
 def create(
     ctx: click.Context,
@@ -216,7 +216,7 @@ def create(
 
     client: Together = ctx.obj
 
-    # Convert tuples to lists for labels
+    # Convert strings to lists for labels
     labels_list = labels.split(",") if labels else None
     pass_labels_list = pass_labels.split(",") if pass_labels else None
 
@@ -314,7 +314,7 @@ def create(
         model_a_input_template,
     ]
 
-    if model_a_field:
+    if model_a_field is not None:
         # Simple mode: model_a_field is provided
         if any(model_a_config_params):
             raise click.BadParameter(
@@ -349,7 +349,7 @@ def create(
         model_b_input_template,
     ]
 
-    if model_b_field:
+    if model_b_field is not None:
         # Simple mode: model_b_field is provided
         if any(model_b_config_params):
             raise click.BadParameter(