Fix smart quote instructions messed up by Claude (#712)

* Fix smart quote instructions messed up by Claude

Signed-off-by: Dan Barr <6922515+danbarr@users.noreply.github.com>

* Apply suggestion from @Copilot

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

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Signed-off-by: Dan Barr <6922515+danbarr@users.noreply.github.com>
Co-authored-by: Dan Barr <6922515+danbarr@users.noreply.github.com>
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: danbarr

AGENTS.md

@@ -190,8 +190,8 @@ The project's official language is US English.
 
 - Use the Oxford comma (aka serial commas) when listing items in a series.
 - Use one space between sentences.
-- Use straight double quotes and apostrophes. Replace smart quotes (“ “) and curly apostrophes (‘ ‘) with straight quotes (“) and straight apostrophes (‘).
-- Avoid em dashes (`—`) and en dashes (`–`). They are hard to type, easy to miss in editors, and have proliferated with AI-generated content. Instead, rephrase naturally: use commas, split into two sentences, or restructure. If a separator is truly needed, use a spaced hyphen (`-`) in list-style contexts like “Related information” entries.
+- Use straight double quotes and apostrophes. Replace smart quotes (“ ”) and curly apostrophes (‘ ’) with straight quotes (") and straight apostrophes (').
+- Avoid em dashes (`—`) and en dashes (`–`). They are hard to type, easy to miss in editors, and have proliferated with AI-generated content. Instead, rephrase naturally: use commas, split into two sentences, or restructure. If a separator is truly needed, use a spaced hyphen (`-`) in list-style contexts like "Related information" entries.
 
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