diff --git a/gui/CMakeLists.txt b/gui/CMakeLists.txt
index 1ec2ead..3628f7a 100644
--- a/gui/CMakeLists.txt
+++ b/gui/CMakeLists.txt
@@ -24,7 +24,7 @@ string(REGEX REPLACE "\n\n([^\n]+)" "<p>\\1</p>" GUI_ABOUT_LICENSE ${GUI_ABOUT_L
 string(REGEX REPLACE "\n" "" GUI_ABOUT_LICENSE ${GUI_ABOUT_LICENSE})
 string(REGEX REPLACE "\<(.+)\>" "- <a href=\"mailto:\\1\">\\1</a>" GUI_ABOUT_AUTHOR ${PROJECT_MAINTAINER})
 
-configure_file(gui_about.h.in "${CMAKE_CURRENT_BINARY_DIR}/gui_about.h" @ONLY ESCAPE_QUOTES)
+configure_file(gui_text.h.in "${CMAKE_CURRENT_BINARY_DIR}/gui_text.h" @ONLY ESCAPE_QUOTES)
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 
 # --------------------------------
diff --git a/gui/gui_about.h.in b/gui/gui_text.h.in
similarity index 57%
rename from gui/gui_about.h.in
rename to gui/gui_text.h.in
index 1f6ab9f..a8a1cff 100644
--- a/gui/gui_about.h.in
+++ b/gui/gui_text.h.in
@@ -21,12 +21,14 @@
  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */
-#ifndef EOSIOKEYGEN_GUI_ABOUT_H
-#define EOSIOKEYGEN_GUI_ABOUT_H
+#ifndef EOSIOKEYGEN_GUI_TEXT_H
+#define EOSIOKEYGEN_GUI_TEXT_H
 
-#define EOSIOKEYGEN_GUI_ABOUT_TITLE "@PROJECT_NAME@ - About"
+#include <config.hpp>
 
-#define EOSIOKEYGEN_GUI_ABOUT_TEXT \
+#define EOSIOKEYGEN_GUI_TEXT_ABOUT_TITLE "@PROJECT_NAME@ - About"
+
+#define EOSIOKEYGEN_GUI_TEXT_ABOUT_BODY \
 	"<h1>@PROJECT_NAME@ - v@PROJECT_VERSION@</h1>" \
 	"<p>@PROJECT_DESCRIPTION@</p>" \
 	"<p><a href=\"@PROJECT_HOMEPAGE_URL@\">@PROJECT_HOMEPAGE_URL@</a></p>" \
@@ -34,4 +36,19 @@
 	"<h2>Author</h2>" \
 	"<p>@GUI_ABOUT_AUTHOR@</p>"
 
-#endif /* EOSIOKEYGEN_CONFIG_ABOUT_H */
+#define EOSIOKEYGEN_GUI_TEXT_DICT_LANG_TOOLTIP \
+	"<p>Highlight words from given language dictionary in the found keys (note that the words " \
+	"<strong>are not</strong> used for search. only for highlight output).</p>" \
+	"<p>There can be more then one language. In that case contents " \
+	"of all languges are merged into one dictionary.</p>" \
+	"<p>The langauges are stored in files at <i>" CONFIG_SHARE_FULL_PATH "/dict</i></p>"
+
+
+#define EOSIOKEYGEN_GUI_TEXT_DICT_FILE_TOOLTIP \
+	"<p>Use words found in file (separated by newline) to highlight " \
+	"words in the keys found (note that the words in this " \
+	"file are not used for search. only for highlight output).</p>" \
+	"<p>There can be more then one file. In that case contents " \
+	"of all files are merged into one dictionary.</p>"
+
+#endif /* EOSIOKEYGEN_GUI_TEXT_H */
diff --git a/gui/src/MainWindow.cpp b/gui/src/MainWindow.cpp
index ce2d579..cfed710 100644
--- a/gui/src/MainWindow.cpp
+++ b/gui/src/MainWindow.cpp
@@ -25,7 +25,7 @@
 #include <QMenuBar>
 #include <QGridLayout>
 #include <QStackedWidget>
-#include "gui_about.h"
+#include "gui_text.h"
 #include "GenerateWindow.hpp"
 #include "SearchWindow.hpp"
 #include "MainWindow.hpp"
@@ -59,5 +59,7 @@ void MainWindow::switchToSearch()
 
 void MainWindow::showAbout()
 {
-	QMessageBox::about(this, EOSIOKEYGEN_GUI_ABOUT_TITLE, EOSIOKEYGEN_GUI_ABOUT_TEXT);
+	QMessageBox::about(this,
+		EOSIOKEYGEN_GUI_TEXT_ABOUT_TITLE,
+		EOSIOKEYGEN_GUI_TEXT_ABOUT_BODY);
 }
diff --git a/gui/src/SearchWindow.cpp b/gui/src/SearchWindow.cpp
index 42b54ff..2128fed 100644
--- a/gui/src/SearchWindow.cpp
+++ b/gui/src/SearchWindow.cpp
@@ -31,6 +31,7 @@
 #include <libeosio/WIF.hpp>
 #include <eoskeygen/core/leet.hpp>
 #include <eoskeygen/core/string.hpp>
+#include "gui_text.h"
 #include "config.hpp"
 #include "helpers.hpp"
 #include "SearchWindow.hpp"
@@ -61,6 +62,9 @@ m_btn_clear		("Clear")
 
 	// First row.
 	m_dict_lang.addItems(get_files(CONFIG_DICT_FULL_PATH));
+	m_dict_lang.setToolTip(EOSIOKEYGEN_GUI_TEXT_DICT_LANG_TOOLTIP);
+	m_dict_file.setToolTip(EOSIOKEYGEN_GUI_TEXT_DICT_FILE_TOOLTIP);
+
 	m_layout.addWidget(&m_dict_lang, 0, 0);
 	m_layout.addWidget(&m_dict_file, 0, 1);