Fix small typo in gmx 2020 release notes

diff --git a/docs/release-notes/2020/major/performance.rst b/docs/release-notes/2020/major/performance.rst
index 784d4b83a1dcef7b335f1fe68b7f3980dcffd348..426cc2b25e8381399ae2c3ae56ee3e114c662657 100644 (file)
--- a/docs/release-notes/2020/major/performance.rst
+++ b/docs/release-notes/2020/major/performance.rst
@@ -16,8 +16,8 @@ performance when non-perturbed non-bondeds are offloaded to a GPU. In that case
 the PME-mesh calculation now always takes the most CPU time.
 
 
-Proper dihedrals of Fourier type and improper dihedrals of preriodic type are SIMD accelerated
-""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+Proper dihedrals of Fourier type and improper dihedrals of periodic type are SIMD accelerated
+"""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
 
 Avoid configuring the own-FFTW with AVX512 enabled when |Gromacs| does not use AVX512
 """""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""