diff --git a/README.md b/README.md
index 8525047..ca18ef2 100644
--- a/README.md
+++ b/README.md
@@ -52,13 +52,19 @@
 
 ## Building The Full Tools Set
 
-1. Log into you build machine, VM, or`docker`image.  *Make sure this
+1. Log into your build machine, VM, or`docker`image.  *Make sure this
    machine does *not* have native OS compilers and development tools
-   installed and/or in `${PATH}`!*  We want to use only the compiler and
+   installed and/or in `${PATH}`*!  We want to use only the compiler and
    tools created in the previous step. `Docker` containers are handy here:
    One for the bootstrap build, another for the self compiling
    full tools build.
 
+   However, there are a few things that *are* required in the OS load,
+   because of boneheaded assumptions made by some open source packages
+   about where things live.  So:
+
+     `sudo yum -y install autoconf automake perl'   # Or whatever package management system you use
+
 2. Un-tar the bootstrap tarball created above into the proper location.
    Recall that this was saved with a date revision stamp.  So, before
    proceeding, we have to:
@@ -84,6 +90,7 @@
 
      `make clean`
 
+
 ## Installing The Tools
 
 We've just created a tarball that has all the tools we want precompiled
@@ -99,12 +106,12 @@
        `/opt/mydir/tools`
 
      Every installation on other machines must also install them
-     there (and be added to `$(PATH}` as described in `brewenv`.
+     there (and be added to `$(PATH}` as described in `brewenv`).
 
      Recall that this procedure actually creates the tools directory
      as:
 
-       `/opt/mydur/tools-YYYYMMDD`.
+       `/opt/mydir/tools-YYYYMMDD`.
 
      In this example, you could either symlink `tools` to that
      directory or just rename the directory accordingly.