Merge pull request tailwindlabs#576 from motleydev/master

Fix apostrophe in error

Author: adamwathan

src/lib/substituteClassApplyAtRules.js

@@ -92,7 +92,7 @@ export default function(config, generatedUtilities) {
                   ),
                 () => {
                   // prettier-ignore
-                  throw onError(`\`@apply\` cannot be used with \`${classToApply}\` because \`${classToApply}\` either cannot be found, or it's actual definition includes a pseudo-selector like :hover, :active, etc. If you're sure that \`${classToApply}\` exists, make sure that any \`@import\` statements are being properly processed *before* Tailwind CSS sees your CSS, as \`@apply\` can only be used for classes in the same CSS tree.`)
+                  throw onError(`\`@apply\` cannot be used with \`${classToApply}\` because \`${classToApply}\` either cannot be found, or its actual definition includes a pseudo-selector like :hover, :active, etc. If you're sure that \`${classToApply}\` exists, make sure that any \`@import\` statements are being properly processed *before* Tailwind CSS sees your CSS, as \`@apply\` can only be used for classes in the same CSS tree.`)
                 },
               ],
               (classDecls, candidate) => (!_.isEmpty(classDecls) ? classDecls : candidate()),