.README/README.md

@@ -88,6 +88,7 @@ Finally, enable all of the rules that you would like to use.
         "jsdoc/require-throws": 1,
         "jsdoc/require-yields": 1, // Recommended
         "jsdoc/require-yields-check": 1, // Recommended
+        "jsdoc/sort-tags": 1,
         "jsdoc/tag-lines": 1, // Recommended
         "jsdoc/valid-types": 1 // Recommended
     }

README.md

@@ -159,6 +159,7 @@ Finally, enable all of the rules that you would like to use.
         "jsdoc/require-throws": 1,
         "jsdoc/require-yields": 1, // Recommended
         "jsdoc/require-yields-check": 1, // Recommended
+        "jsdoc/sort-tags": 1,
         "jsdoc/tag-lines": 1, // Recommended
         "jsdoc/valid-types": 1 // Recommended
     }
@@ -11009,6 +11010,16 @@ function quux () {
 }
 // Message: Sentence must end with a period.
 
+/**
+ * Foo
+ *
+ * @param x
+ */
+function quux () {
+
+}
+// Message: Sentence must end with a period.
+
 /**
  * Foo
  * Bar.

src/rules/requireDescriptionCompleteSentence.js

@@ -81,7 +81,7 @@ const validateDescription = (
       let text = sourceCode.getText(jsdocNode);
 
       if (!/[.:?!]$/u.test(paragraph)) {
-        const line = paragraph.split('\n').pop();
+        const line = paragraph.split('\n').filter(Boolean).pop();
 
         text = text.replace(new RegExp(`${escapeStringRegexp(line)}$`, 'mu'), `${line}.`);
       }

test/rules/assertions/requireDescriptionCompleteSentence.js

@@ -196,6 +196,34 @@ export default {
           }
       `,
     },
+    {
+      code: `
+          /**
+           * Foo
+           *
+           * @param x
+           */
+          function quux () {
+
+          }
+      `,
+      errors: [
+        {
+          line: 3,
+          message: 'Sentence must end with a period.',
+        },
+      ],
+      output: `
+          /**
+           * Foo.
+           *
+           * @param x
+           */
+          function quux () {
+
+          }
+      `,
+    },
     {
       code: `
           /**