Fixed README typo

README.md

@@ -85,7 +85,7 @@ render(document.body, shtml`
 
 ## Strict export usages
 
-If none of the static parts of a template are ever going to change, the `static-params/strict` export is identical in behavior, but it's much faster thanks to its 1:1 relation with the template, so that dynamic values are mapped once and never gain per same template content.
+If none of the static parts of a template are ever going to change, the `static-params/strict` export is identical in behavior, but it's much faster thanks to its 1:1 relation with the template, so that dynamic values are mapped once, and never again, per same template content.
 
 That is: default behavior loops over template and interpolation every single time, the `strict` variant does that only once.