diff --git a/js/spellChecker/index.js b/js/spellChecker/index.js
index 9bcfe110..b9701dce 100644
--- a/js/spellChecker/index.js
+++ b/js/spellChecker/index.js
@@ -2,6 +2,7 @@ const { remote } = require('electron');
 const { MenuItem } = remote;
 const { isMac } = require('./../utils/misc');
 const { SpellCheckHandler, ContextMenuListener, ContextMenuBuilder } = require('electron-spellchecker');
+const stringFormat = require('./../utils/stringFormat');
 
 class SpellCheckHelper {
 
@@ -59,8 +60,8 @@ class SpellCheckHelper {
             copyImage: () => content['Copy Image'] || 'Copy Image',
             addToDictionary: () => content['Add to Dictionary'] || 'Add to Dictionary',
             lookUpDefinition: (lookup) => {
-                const lookUp = content['Look Up '] || 'Look Up ';
-                return `${lookUp}"${lookup.word}"`;
+                const formattedString = stringFormat(content['Look Up {searchText}'], { searchText: lookup.word });
+                return formattedString || `Look Up ${lookup.word}`;
             },
             searchGoogle: () => content['Search with Google'] || 'Search with Google',
             cut: () => content.Cut || 'Cut',
diff --git a/js/utils/stringFormat.js b/js/utils/stringFormat.js
new file mode 100644
index 00000000..9282b2c4
--- /dev/null
+++ b/js/utils/stringFormat.js
@@ -0,0 +1,22 @@
+/**
+ * Injects content into string
+ * @param string {String}
+ * @param data {Object} - content to replace
+ * @return {*}
+ */
+function stringFormat(string, data) {
+    for (let key in data) {
+        if (Object.prototype.hasOwnProperty.call(data, key)) {
+            return string.replace(/({([^}]+)})/g, function (i) {
+                let replacedKey = i.replace(/{/, '').replace(/}/, '');
+                if (!data[replacedKey]) {
+                    return i;
+                }
+                return data[replacedKey];
+            });
+        }
+    }
+    return null;
+}
+
+module.exports = stringFormat;
\ No newline at end of file
diff --git a/locale/en-US.json b/locale/en-US.json
index 246316de..065309c0 100644
--- a/locale/en-US.json
+++ b/locale/en-US.json
@@ -26,7 +26,7 @@
     "Copy Link": "Copy Link",
     "Cut": "Cut",
     "Inspect Element": "Inspect Element",
-    "Look Up ": "Look Up ",
+    "Look Up {searchText}": "Look Up \"{searchText}\"",
     "Open Link": "Open Link",
     "Paste": "Paste",
     "Reload": "Reload",
diff --git a/locale/en.json b/locale/en.json
index 4569b4a0..b139673e 100644
--- a/locale/en.json
+++ b/locale/en.json
@@ -26,7 +26,7 @@
     "Copy Link": "Copy Link",
     "Cut": "Cut",
     "Inspect Element": "Inspect Element",
-    "Look Up ": "Look Up ",
+    "Look Up {searchText}": "Look Up \"{searchText}\"",
     "Open Link": "Open Link",
     "Paste": "Paste",
     "Reload": "Reload",
diff --git a/locale/ja-JP.json b/locale/ja-JP.json
index 00f4e57a..0918ee74 100644
--- a/locale/ja-JP.json
+++ b/locale/ja-JP.json
@@ -20,16 +20,16 @@
   "ContextMenu": {
     "Add to Dictionary": "辞書に追加",
     "Copy": "コピー",
-    "Copy Email Address": "メールアドレスをコピーする",
-    "Copy Image": "イメージをコピーする",
-    "Copy Image URL": "コピー画像のURL",
-    "Copy Link": "リンクをコピーする",
-    "Cut": "カット",
-    "Inspect Element": "要素の検査",
-    "Look Up ": "見上げる",
+    "Copy Email Address": "電子メールアドレスをコピー",
+    "Copy Image": "画像をコピー",
+    "Copy Image URL": "画像のURLをコピー",
+    "Copy Link": "リンクをコピー",
+    "Cut": "切り取り",
+    "Inspect Element": "要素を調査",
+    "Look Up {searchText}": "「{searchText}」を検索",
     "Open Link": "リンクを開く",
-    "Paste": "ペースト",
-    "Reload": "リロード",
+    "Paste": "貼り付け",
+    "Reload": "再読み込み",
     "Search with Google": "Googleで検索"
   },
   "DownloadManager": {
diff --git a/locale/ja.json b/locale/ja.json
index cf69c676..412280b1 100644
--- a/locale/ja.json
+++ b/locale/ja.json
@@ -20,16 +20,16 @@
   "ContextMenu": {
     "Add to Dictionary": "辞書に追加",
     "Copy": "コピー",
-    "Copy Email Address": "メールアドレスをコピーする",
-    "Copy Image": "イメージをコピーする",
-    "Copy Image URL": "コピー画像のURL",
-    "Copy Link": "リンクをコピーする",
-    "Cut": "カット",
-    "Inspect Element": "要素の検査",
-    "Look Up ": "見上げる",
+    "Copy Email Address": "電子メールアドレスをコピー",
+    "Copy Image": "画像をコピー",
+    "Copy Image URL": "画像のURLをコピー",
+    "Copy Link": "リンクをコピー",
+    "Cut": "切り取り",
+    "Inspect Element": "要素を調査",
+    "Look Up {searchText}": "「{searchText}」を検索",
     "Open Link": "リンクを開く",
-    "Paste": "ペースト",
-    "Reload": "リロード",
+    "Paste": "貼り付け",
+    "Reload": "再読み込み",
     "Search with Google": "Googleで検索"
   },
   "DownloadManager": {