Removed a few spelling mistakes in custom_easy_build_environment.md.

doc.zih.tu-dresden.de/docs/software/custom_easy_build_environment.md

@@ -26,12 +26,12 @@ information about how to obtain and build the software:
 -   Version
 -   Toolchain (think: Compiler + some more)
 -   Download URL
--   Buildsystem (e.g. `configure && make` or `cmake && make`)
+-   Build system (e.g. `configure && make` or `cmake && make`)
 -   Config parameters
 -   Tests to ensure a successful build
 
 The build system part is implemented in so-called "EasyBlocks" and contains the common workflow.
-Sometimes, those are specialized to encapsulate behaviour specific to multiple/all versions of the
+Sometimes, those are specialized to encapsulate behavior specific to multiple/all versions of the
 software. Everything is written in Python, which gives authors a great deal of flexibility.
 
 ## Set up a custom module environment and build your own modules

doc.zih.tu-dresden.de/wordlist.aspell

@@ -67,7 +67,9 @@ dotfile
 dotfiles
 downtime
 downtimes
+EasyBlocks
 EasyBuild
+EasyConfig
 ecryptfs
 engl
 english