diff --git a/TurTLE/DNS_statistics.py b/TurTLE/DNS_statistics.py
index 1c6c4d767238a8b3538db1d6014413bd17db7aa8..e096c66917e8c75936b2e370a0e42039043c7ed7 100644
--- a/TurTLE/DNS_statistics.py
+++ b/TurTLE/DNS_statistics.py
@@ -472,7 +472,7 @@ def plot_basic_stats(
            label = '$(k_M \\eta_K)^{-1}$ (spatial resolution)')
     a.plot(self.statistics['t'] / self.statistics['Tint'],
            tresolution,
-           label = '$\\frac{\\Delta t}{\\Delta x} \\sqrt{3}\\| u \\|_\infty$ (CFL upper bound)')
+           label = '$\\frac{\\Delta t}{\\Delta x} \\sqrt{3}\\| u \\|_\\infty$ (CFL upper bound)')
     a.set_ylim(top = 1.05*max(sresolution.max(),
                               tresolution.max()),
                               bottom = 0)
diff --git a/TurTLE/PP.py b/TurTLE/PP.py
index cc890b2ea854081348499559c431cc94be5768fb..5c8706d2ab04229d8b11a20bf30ae9561a153b34 100644
--- a/TurTLE/PP.py
+++ b/TurTLE/PP.py
@@ -145,7 +145,7 @@ class PP(_code):
         .. math::
 
             \\sum_{k \\leq \\|\\mathbf{k}\\| \\leq k+dk}\\hat{u_i} \\hat{u_j}^*, \\hskip .5cm
-            \\sum_{k \\leq \\|\\mathbf{k}\\| \\leq k+dk}\\hat{\omega_i} \\hat{\\omega_j}^*
+            \\sum_{k \\leq \\|\\mathbf{k}\\| \\leq k+dk}\\hat{\\omega_i} \\hat{\\omega_j}^*
 
         tensors, and the enstrophy spectrum is also used to
         compute the dissipation :math:`\\varepsilon(t)`.