diff --git a/constants/56a.md b/constants/56a.md
index d10b318..9e87530 100644
--- a/constants/56a.md
+++ b/constants/56a.md
@@ -1,4 +1,4 @@
-# GL_2 Ramanujan conjecture exponent
+# $\mathrm{GL}_2$ Ramanujan conjecture exponent
 
 ## Description of constant
 We define $C\_{56} = \delta\_2$ to be the smallest real number $\delta \ge 0$ such that the following uniform bound toward the Generalized Ramanujan Conjecture holds.