diff --git a/src/MC/fix_gcmc.cpp b/src/MC/fix_gcmc.cpp
index 80e81a2ac0..bc8e5b4316 100644
--- a/src/MC/fix_gcmc.cpp
+++ b/src/MC/fix_gcmc.cpp
@@ -344,7 +344,7 @@ void FixGCMC::init()
         (domain->triclinic == 1)) {
       full_flag = true;
       if (comm->me == 0) 
-        error->warning(FLERR,"fix gcmc using full_energy option");
+        error->warning(FLERR,"Fix gcmc using full_energy option");
     }
   }
   
diff --git a/src/MC/fix_gcmc.h b/src/MC/fix_gcmc.h
index b064861809..46db9ee41c 100644
--- a/src/MC/fix_gcmc.h
+++ b/src/MC/fix_gcmc.h
@@ -188,7 +188,7 @@ E: Region ID for fix gcmc does not exist
 
 Self-explanatory.
 
-W: fix gcmc using full_energy option
+W: Fix gcmc using full_energy option
 
 Fix gcmc has automatically turned on the full_energy option since it
 is required for systems like the one specified by the user. User input
@@ -245,7 +245,7 @@ E: Illegal fix gcmc gas mass <= 0
 The computed mass of the designated gas molecule or atom type was less 
 than or equal to zero.
 
-E: Cannot do gcmc on atoms in atom_modify first group
+E: Cannot do GCMC on atoms in atom_modify first group
 
 This is a restriction due to the way atoms are organized in a list to
 enable the atom_modify first command.