fixed alignment

sagemath · Mar 7, 2019 · 2c34056 · 2c34056
1 parent 530e558
commit 2c34056
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/doc/en/reference/references/index.rst b/src/doc/en/reference/references/index.rst
@@ -470,7 +470,7 @@ REFERENCES:
             M. Robshaw, Y. Seurin, C. Vikkelsoe. *PRESENT: An Ultra-Lightweight
             Block Cipher*; in Proceedings of CHES 2007; LNCS 7427; pp. 450-466;
             Springer Verlag 2007; available at
-	    :doi:`10.1007/978-1-4419-5906-5_605`
+            :doi:`10.1007/978-1-4419-5906-5_605`
 
 .. [BKW2011] \J. Brundan, A. Kleshchev, and W. Wang,
              *Graded Specht modules*,