Update README.md

MidhaTahir · web-flow · commit c08117fdab18 · 2020-10-16T23:41:57.000+05:00
diff --git a/README.md b/README.md
@@ -74,7 +74,7 @@ It includes [**7 slides:**](CFT-7_4-8.pdf)
 4. Address (id)
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 ## NINTH CLASS LECTURE:
-It includes [**3 slides:**](CLASS 9th.pdf)
+It includes [**3 slides:**](CLASS-9th.pdf)
 
 1. PRACTICING AND PUTTING ALL KNOWLEDGE TOGETHER
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