diff --git a/doc/tutorial/basics/0_intro/43_schema.txt b/doc/tutorial/basics/0_intro/43_schema.txt
index 1d3ac88..bb0a10f 100644
--- a/doc/tutorial/basics/0_intro/43_schema.txt
+++ b/doc/tutorial/basics/0_intro/43_schema.txt
@@ -8,7 +8,7 @@
 -- text.md --
 In CUE, schemas are typically written as Definitions.
 A definition is a field which identifier starts with
-a `#` or `_#`.
+`#` or `_#`.
 This tells CUE that they are to be used for validation and should
 not be output as data; it is okay for them to remain unspecified.