diff --git a/eo/config.cache b/eo/config.cache
index 8f137b2a7..541f62a33 100644
--- a/eo/config.cache
+++ b/eo/config.cache
@@ -20,10 +20,10 @@ ac_cv_header_stdc=${ac_cv_header_stdc=yes}
 ac_cv_lib_eo_main=${ac_cv_lib_eo_main=no}
 ac_cv_lib_eoutils_main=${ac_cv_lib_eoutils_main=no}
 ac_cv_lib_m_main=${ac_cv_lib_m_main=yes}
-ac_cv_path_install=${ac_cv_path_install=$'/usr/bin/install -c'}
-ac_cv_prog_CPP=${ac_cv_prog_CPP=$'cc -E'}
+ac_cv_path_install=${ac_cv_path_install='/usr/bin/install -c'}
+ac_cv_prog_CPP=${ac_cv_prog_CPP='cc -E'}
 ac_cv_prog_CXX=${ac_cv_prog_CXX=c++}
-ac_cv_prog_LN_S=${ac_cv_prog_LN_S=$'ln -s'}
+ac_cv_prog_LN_S=${ac_cv_prog_LN_S='ln -s'}
 ac_cv_prog_RANLIB=${ac_cv_prog_RANLIB=ranlib}
 ac_cv_prog_cxx_cross=${ac_cv_prog_cxx_cross=no}
 ac_cv_prog_cxx_g=${ac_cv_prog_cxx_g=yes}
diff --git a/eo/src/gp/eoStParseTreeDepthInit.h b/eo/src/gp/eoStParseTreeDepthInit.h
index 7307d063a..e16d6bd07 100644
--- a/eo/src/gp/eoStParseTreeDepthInit.h
+++ b/eo/src/gp/eoStParseTreeDepthInit.h
@@ -50,7 +50,7 @@ using namespace std;
   \li int type(void) which returns the return type of the node
   \li int type(int child) which returns the required type for child 0, 1 or 2
   
-  Tree pruning strongly typed trees is not possible at the moment.
+  Pruning strongly typed trees is not possible at the moment.
 */
 
 /** eoStParseTreeDepthInit : the initializer class for strongly typed tree-based genetic programming