diff --git a/CHANGELOG.md b/CHANGELOG.md
index bfc83993..f19f7ffc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ and this project somewhat adheres to [Semantic Versioning](https://semver.org/sp
 - Fix degraded image quality in exported timelapse gifs.
 - Fix custom top-level data in the `encounters` object of `wild_encounters.json` being discarded if no `fields` data is present.
 - Fix actions triggered with the use of `utility.registerAction` calling all functions across plug-ins with the registered name, rather than just the function in the script that registered it.
+- Fix the tool tips for the tileset selectors always listing the same tileset size.
 
 ## [6.3.0] - 2025-12-26
 ### Added
diff --git a/forms/mainwindow.ui b/forms/mainwindow.ui
index 674a11d1..e4d17f35 100644
--- a/forms/mainwindow.ui
+++ b/forms/mainwindow.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>1328</width>
-    <height>963</height>
+    <height>1014</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -748,7 +748,7 @@
                                  <x>0</x>
                                  <y>0</y>
                                  <width>433</width>
-                                 <height>74</height>
+                                 <height>85</height>
                                 </rect>
                                </property>
                                <layout class="QHBoxLayout" name="horizontalLayout_12">
@@ -867,7 +867,7 @@
                                  <x>0</x>
                                  <y>0</y>
                                  <width>433</width>
-                                 <height>74</height>
+                                 <height>84</height>
                                 </rect>
                                </property>
                                <layout class="QHBoxLayout" name="horizontalLayout_7">
@@ -971,7 +971,7 @@
                               <x>8</x>
                               <y>0</y>
                               <width>421</width>
-                              <height>409</height>
+                              <height>471</height>
                              </rect>
                             </property>
                             <property name="sizePolicy">
@@ -1077,6 +1077,18 @@
                         <string>Layout</string>
                        </property>
                        <layout class="QVBoxLayout" name="verticalLayout_10">
+                        <property name="leftMargin">
+                         <number>2</number>
+                        </property>
+                        <property name="topMargin">
+                         <number>2</number>
+                        </property>
+                        <property name="rightMargin">
+                         <number>2</number>
+                        </property>
+                        <property name="bottomMargin">
+                         <number>2</number>
+                        </property>
                         <item>
                          <widget class="NoScrollComboBox" name="comboBox_LayoutSelector">
                           <property name="editable">
@@ -1099,11 +1111,20 @@
                         <string>Tilesets</string>
                        </property>
                        <layout class="QVBoxLayout" name="verticalLayout_22">
+                        <property name="leftMargin">
+                         <number>2</number>
+                        </property>
+                        <property name="topMargin">
+                         <number>2</number>
+                        </property>
+                        <property name="rightMargin">
+                         <number>2</number>
+                        </property>
+                        <property name="bottomMargin">
+                         <number>2</number>
+                        </property>
                         <item>
                          <widget class="NoScrollComboBox" name="comboBox_PrimaryTileset">
-                          <property name="toolTip">
-                           <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Primary Tileset&lt;/p&gt;&lt;p&gt;Defines the first 0x200 metatiles available for the map.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-                          </property>
                           <property name="editable">
                            <bool>true</bool>
                           </property>
@@ -1111,9 +1132,6 @@
                         </item>
                         <item>
                          <widget class="NoScrollComboBox" name="comboBox_SecondaryTileset">
-                          <property name="toolTip">
-                           <string>&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;Secondary Tileset&lt;/p&gt;&lt;p&gt;Defines the second 0x200 metatiles available for the map.&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
-                          </property>
                           <property name="editable">
                            <bool>true</bool>
                           </property>
@@ -1187,7 +1205,7 @@
                           <x>0</x>
                           <y>0</y>
                           <width>437</width>
-                          <height>633</height>
+                          <height>684</height>
                          </rect>
                         </property>
                         <layout class="QGridLayout" name="gridLayout_7">
@@ -1407,7 +1425,7 @@
                              <x>0</x>
                              <y>0</y>
                              <width>392</width>
-                             <height>744</height>
+                             <height>795</height>
                             </rect>
                            </property>
                            <layout class="QVBoxLayout" name="verticalLayout_14">
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 6c89faa8..52ea6720 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -1442,10 +1442,19 @@ bool MainWindow::setProjectUI() {
     const QSignalBlocker b_PrimaryTileset(ui->comboBox_PrimaryTileset);
     ui->comboBox_PrimaryTileset->clear();
     ui->comboBox_PrimaryTileset->addItems(project->primaryTilesetLabels);
+    ui->comboBox_PrimaryTileset->setToolTip(Util::toHtmlParagraph(
+        QString("<b>Primary Tileset</b><br><br>Defines the metatiles from 0 - %1 available for the map.")
+                .arg(Metatile::getMetatileIdString(project->getNumMetatilesPrimary()-1))
+    ));
 
     const QSignalBlocker b_SecondaryTileset(ui->comboBox_SecondaryTileset);
     ui->comboBox_SecondaryTileset->clear();
     ui->comboBox_SecondaryTileset->addItems(project->secondaryTilesetLabels);
+    ui->comboBox_SecondaryTileset->setToolTip(Util::toHtmlParagraph(
+        QString("<b>Secondary Tileset</b><br><br>Defines the metatiles from %1 - %2 available for the map.")
+                .arg(Metatile::getMetatileIdString(project->getNumMetatilesPrimary()))
+                .arg(Metatile::getMetatileIdString(project->getNumMetatilesTotal()-1))
+    ));
 
     const QSignalBlocker b_LayoutSelector(ui->comboBox_LayoutSelector);
     ui->comboBox_LayoutSelector->clear();