diff --git a/individual-geoms.qmd b/individual-geoms.qmd
index 5642f22a..f7868d08 100644
--- a/individual-geoms.qmd
+++ b/individual-geoms.qmd
@@ -46,7 +46,7 @@ All of them understand `colour` (or `color`) and `size` aesthetics, and the fill
     `geom_rect()` is parameterised by the four corners of the rectangle, `xmin`, `ymin`, `xmax` and `ymax`.
     `geom_tile()` is exactly the same, but parameterised by the center of the rect and its size, `x`, `y`, `width` and `height`.
     `geom_raster()` is a fast special case of `geom_tile()` used when all the tiles are the same size.
-    \index{Image plot} \index{Level plot} \indexf{geom\_tile}.
+    \index{Image plot} \index{Level plot} \indexf{geom\_tile}
     \indexf{geom\_rect} \indexf{geom\_raster}
 
 -   `geom_text()` adds text to a plot.