clean up some doc nits

Author: mostlygeek

config.example.yaml

@@ -38,12 +38,14 @@ startPort: 10001
 # macros: a dictionary of string substitutions
 # - optional, default: empty dictionary
 # - macros are reusable snippets
-# - used in a model's cmd, cmdStop, proxy and checkEndpoint
+# - used in a model's cmd, cmdStop, proxy, checkEndpoint, filters.stripParams
 # - useful for reducing common configuration settings
 # - macro names are strings and must be less than 64 characters
 # - macro names must match the regex ^[a-zA-Z0-9_-]+$
 # - macro names must not be a reserved name: PORT or MODEL_ID
 # - macro values must be less than 1024 characters
+#
+# Important: do not nest macros inside other macros; expansion is single-pass
 macros:
   "latest-llama": >
     /path/to/llama-server/llama-server-ec9e0301

proxy/config/model_config_test.go

@@ -40,7 +40,6 @@ models:
 	assert.NoError(t, err)
 	for modelId, modelConfig := range config.Models {
 		t.Run(fmt.Sprintf("Testing macros in filters for model %s", modelId), func(t *testing.T) {
-			// make sure `model` and enmpty strings are not in the list
 			assert.Equal(t, "model, top_k, top_k, temperature, temperature, top_p, , ,", modelConfig.Filters.StripParams)
 			sanitized, err := modelConfig.Filters.SanitizedStripParams()
 			if assert.NoError(t, err) {