fix: update error message

---
type: pre_commit_static_analysis_report
description: Results of running static analysis checks when committing changes.
report:
  - task: lint_filenames
    status: passed
  - task: lint_editorconfig
    status: passed
  - task: lint_markdown
    status: na
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    status: na
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    status: na
  - task: lint_javascript_src
    status: passed
  - task: lint_javascript_cli
    status: na
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    status: na
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  - task: lint_typescript_declarations
    status: na
  - task: lint_typescript_tests
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  - task: lint_license_headers
    status: passed
---

Author: kgryte

lib/node_modules/@stdlib/blas/ext/index-of/lib/assign.js

@@ -112,7 +112,7 @@ function assign( x, searchElement, fromIndex, out ) {
 
 	nargs = arguments.length;
 	if ( !isndarrayLike( x ) ) {
-		throw new TypeError( format( 'invalid argument. The first argument must be an ndarray. Value: `%s`.', x ) );
+		throw new TypeError( format( 'invalid argument. First argument must be an ndarray. Value: `%s`.', x ) );
 	}
 	if ( nargs < 2 ) {
 		throw new TypeError( format( 'invalid argument. Second argument must be either an ndarray or a scalar value. Value: `%s`.', searchElement ) );