diff --git a/config/en/mkdocs.yaml b/config/en/mkdocs.yaml
index cd88d95..96f6451 100755
--- a/config/en/mkdocs.yaml
+++ b/config/en/mkdocs.yaml
@@ -52,7 +52,7 @@ nav:
       - 'Extremes values': mathematics/calculus/extremes-values.md
       - 'Concavity and inflections': mathematics/calculus/concavity-and-inflections.md
       - 'Taylor polynomials': mathematics/calculus/taylor-polynomials.md
-      - 'Integration': mathematicse/calculus/integration.md
+      - 'Integration': mathematics/calculus/integration.md
       - 'Integration techniques': mathematics/calculus/integration-techniques.md
       - 'Improper integrals': mathematics/calculus/improper-integrals.md
     - 'Multivariable calculus':
@@ -79,4 +79,4 @@ nav:
     - 'Start': philosophy/start.md
 
   - 'Programming': 
-    - 'Start': programming/start.md
\ No newline at end of file
+    - 'Start': programming/start.md