Capitalize FEniCS

Co-authored-by: Benjamin Rüth <benjamin.rueth@tum.de>

Author: Eder-K

adapters/Dockerfile.fenics-adapter

@@ -23,7 +23,7 @@ RUN apt-get -qq update && apt-get -qq install \
     python3-dev && \
     rm -rf /var/lib/apt/lists/*
 
-# Install fenics
+# Install FEniCS
 RUN add-apt-repository -y ppa:fenics-packages/fenics && \
     apt-get -qq update && \
     apt-get -qq install --no-install-recommends fenics && \