minor fix

sagemath · Jul 29, 2018 · 73afeaf · 73afeaf
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diff --git a/src/doc/en/thematic_tutorials/lie/bibliography.rst b/src/doc/en/thematic_tutorials/lie/bibliography.rst
@@ -10,7 +10,7 @@ Bibliography
    :arxiv:`1002.2996`.
 
 .. [BumpSchilling2017] \D. Bump and A. Schilling, *Crystal bases:
-   representations and combinatorics, World Scientific, 2017.
+   representations and combinatorics*, World Scientific, 2017.
 
 .. [Carrell1994] \J. B. Carrell. The Bruhat graph of a Coxeter group, a
    conjecture of Deodhar, and rational smoothness of Schubert varieties. In

diff --git a/src/doc/en/thematic_tutorials/lie/infinity_crystals.rst b/src/doc/en/thematic_tutorials/lie/infinity_crystals.rst
@@ -1,5 +1,5 @@
 -----------------------------------------
-`\mathcal{B}(\infty)` crystals
+infinity crystals
 -----------------------------------------
 
 Infinity crystals, denoted `\mathcal{B}(\infty)` and depending only