[PATCH] data/README.md: Fix documented function name

[Joshua Watt]

Fixes the name of a referenced function to match the name in code

Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
---
 data/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/data/README.md b/data/README.md
index 1793024e..0b9c6b56 100644
--- a/data/README.md
+++ b/data/README.md
@@ -79,7 +79,7 @@ skeletons.
 In order to unify the handling of the various aspects of symbols (tag, type
 name, whether terminal, etc.), bison.exe defines one macro per (token,
 field), where field can `has_id`, `id`, etc.: see
-`prepare_symbols_definitions()` in `src/output.c`.
+`prepare_symbol_definitions()` in `src/output.c`.
 
 NUM can be:
 - `empty` to denote the "empty" pseudo-symbol when it exists,
-- 
2.30.0