diff --git a/doc/src/sgml/installation.sgml b/doc/src/sgml/installation.sgml
index 7a77dfe6f85..25a49437f1e 100644
--- a/doc/src/sgml/installation.sgml
+++ b/doc/src/sgml/installation.sgml
@@ -1422,7 +1422,7 @@ su - postgres
        <term><envar>PERL</envar></term>
        <listitem>
         <para>
-         Full path to the Perl interpreter.  This will be used to
+         Full path name of the Perl interpreter.  This will be used to
          determine the dependencies for building PL/Perl.
         </para>
        </listitem>
@@ -1432,7 +1432,7 @@ su - postgres
        <term><envar>PYTHON</envar></term>
        <listitem>
         <para>
-         Full path to the Python interpreter.  This will be used to
+         Full path name of the Python interpreter.  This will be used to
          determine the dependencies for building PL/Python.  Also,
          whether Python 2 or 3 is specified here (or otherwise
          implicitly chosen) determines which variant of the PL/Python
@@ -1449,7 +1449,7 @@ su - postgres
        <term><envar>TCLSH</envar></term>
        <listitem>
         <para>
-         Full path to the Tcl interpreter.  This will be used to
+         Full path name of the Tcl interpreter.  This will be used to
          determine the dependencies for building PL/Tcl, and it will
          be substituted into Tcl scripts.
         </para>