Update packages/apbs/package.py

packages/apbs/package.py

@@ -10,7 +10,7 @@ from spack import *
 class Apbs(CMakePackage):
     """
     APBS (Adaptive Poisson-Boltzmann Solver) solves the equations of continuum electrostatics
-    for large biomolecular assemblages. This software was designed “from the ground up”
+    for large biomolecular assemblages. This software was designed "from the ground up"
     using modern design principles to ensure its ability to interface with other computational
     packages and evolve as methods and applications change over time. The APBS code is
     accompanied by extensive documentation for both users and programmers and is supported