diff --git a/docs/Makefile b/docs/Makefile
index 612ebd5..f9fdd2a 100644
--- a/docs/Makefile
+++ b/docs/Makefile
@@ -8,5 +8,5 @@ docs:
 	  mv "$${source_file}" "$${final_file}"; \
 	  no_ext_source=$${source_file:0:-3}; \
 	  no_ext_final=$${final_file:0:-3}; \
-	  sed -i "s;\($${no_ext_source}\);\($${no_ext_final}\);g" *.md; \
+	  sed -i "s;($${no_ext_source});($${no_ext_final});g" *.md; \
 	done
\ No newline at end of file