diff --git a/library/src/jvmTest/kotlin/BookTest.kt b/library/src/jvmTest/kotlin/BookTest.kt
index 0e40fc2..9c50227 100644
--- a/library/src/jvmTest/kotlin/BookTest.kt
+++ b/library/src/jvmTest/kotlin/BookTest.kt
@@ -195,7 +195,7 @@ class BookTest {
 
     @Test
     fun testFromReal() = runTest {
-        runDocTests("../docs/real.md")
+        runDocTests("../docs/Real.md")
     }
 
 }
\ No newline at end of file