diff --git a/web/src/components/pane/fingerprint/index.tsx b/web/src/components/pane/fingerprint/index.tsx
index 0439df3..6822913 100644
--- a/web/src/components/pane/fingerprint/index.tsx
+++ b/web/src/components/pane/fingerprint/index.tsx
@@ -97,6 +97,7 @@ const FingerprintPane = ({
                       ]
                     );
                   },
+                  tooltip: "Contrasts / conditions",
                 },
                 {
                   inputType: InputType.BUTTON,
@@ -114,6 +115,7 @@ const FingerprintPane = ({
                     }
                   },
                   iconActive: "rotate-page",
+                  tooltip: "Rotate pane",
                 },
               ],
             },
diff --git a/web/src/views/surface/surfacePane/index.tsx b/web/src/views/surface/surfacePane/index.tsx
index 78a98ae..27a3b8a 100644
--- a/web/src/views/surface/surfacePane/index.tsx
+++ b/web/src/views/surface/surfacePane/index.tsx
@@ -556,6 +556,7 @@ const SurfacePane = ({
                       changeState("meshSupport")(newValue);
                     }
                   },
+                  tooltip: "Mesh support",
                 },
                 {
                   inputType: InputType.SELECT_STRING,
@@ -571,6 +572,7 @@ const SurfacePane = ({
                       changeState("meshType")(newValue);
                     }
                   },
+                  tooltip: "Mesh type",
                 },
                 {
                   inputType: InputType.SELECT_STRING,
@@ -586,6 +588,7 @@ const SurfacePane = ({
                       changeState("hemi")(newValue);
                     }
                   },
+                  tooltip: "Hemisphere",
                 },
               ],
             },