- More doc improvements

Author: heath-freenome

packages/docs/docs/migration-guides/v6.x upgrade guide.md

@@ -49,7 +49,7 @@ All PR and branch builds are running against Node 20 and 22.
 ### React version
 
 RJSF is no longer actively supporting React version < 18.x.
-React 18 is officially supported on all the themes where the underlying theme library also supports React 18.
+React 18 is officially supported on all the themes.
 
 React 19 support is expected before the end of beta (although several developers have already upgraded with no problems).
 
@@ -131,8 +131,8 @@ const option = getFirstMatchingOption(validator, formData, options, schema);
 
 #### SchemaUtilsType.getMatchingOption()
 
-The `getMatchingOption()` function in the `SchemaUtilsType` was removed. Use the `getFirstMatchingOption()` on the type
-instead. I.e.:
+The `getMatchingOption()` function in the `SchemaUtilsType` was removed. Use the `getFirstMatchingOption()` funciton on
+the type instead. I.e.:
 
 ```ts
 import { createSchemaUtils, RJSFSchema } from '@rjsf/utils';
@@ -179,8 +179,8 @@ const merged = validationDataMerge(validationData, additionalErrorSchema);
 
 #### SchemaUtilsType.mergeValidationData()
 
-The `mergeValidationData()` function in the `SchemaUtilsType` was removed. Use the `validationDataMerge()` function
-instead. I.e.:
+The `mergeValidationData()` function in the `SchemaUtilsType` was removed. Use the standalone `validationDataMerge()`
+function instead. I.e.:
 
 ```ts
 import { toErrorList } from '@rjsf/utils';
@@ -203,8 +203,8 @@ const merged = validationDataMerge(validationData, additionalErrorSchema);
 
 #### ValidatorType.toErrorList()
 
-The `toErrorList()` function on the `ValidatorType` interface was removed. Use the `toErrorList()` function from
-`@rjsf/utils` instead. I.e.:
+The `toErrorList()` function on the `ValidatorType` interface was removed. Use the standalone `toErrorList()` function
+from `@rjsf/utils` instead. I.e.:
 
 ```ts
 import { validationDataMerge, ErrorSchema, RJSFValidationError, toErrorList } from '@rjsf/utils';