Minor typo fix

Author: dutta-alankar

src/fluid/showConfig.hpp

@@ -60,7 +60,7 @@ void Fluid<Phys>::ShowConfig() {
                  << ": Ohmic resistivity ENABLED with user-defined resistivity function."
                  << std::endl;
       if(!ohmicDiffusivityFunc) {
-        IDEFIX_ERROR("No user-defined Ihmic resistivity function has been enrolled.");
+        IDEFIX_ERROR("No user-defined Ohmic resistivity function has been enrolled.");
       }
     } else {
       IDEFIX_ERROR("Unknown Ohmic resistivity mode");