Update docs/concepts/selectors.md

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
Signed-off-by: Todd Baert <[email protected]>

Author: toddbaert

docs/concepts/selectors.md

@@ -149,7 +149,7 @@ This helps you:
 # Tenant A's flags
 selector: "flagSetId=tenant-a"
 
-# Tenant B's flags  
+# Tenant B's flags
 selector: "flagSetId=tenant-b"
 ```