diff --git a/CMakeLists.txt b/CMakeLists.txt
index f2f04452be..84aeb2e3f1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -24,7 +24,7 @@ option(profile  "Compile with profiling flags"                   OFF)
 option(debug    "Compile with debug flags"                       OFF)
 option(optimize "Turn on all compiler optimization flags"        OFF)
 option(verbose  "Create verbose Makefiles"                       OFF)
-option(coverage "Compile with flags"                             OFF)
+option(coverage "Compile with coverage analysis flags"           OFF)
 
 if (verbose)
   set(CMAKE_VERBOSE_MAKEFILE on)
diff --git a/docs/source/usersguide/install.rst b/docs/source/usersguide/install.rst
index 848c6ecaa2..8d98a5c729 100644
--- a/docs/source/usersguide/install.rst
+++ b/docs/source/usersguide/install.rst
@@ -160,6 +160,13 @@ openmp
   Enables shared-memory parallelism using the OpenMP API. The Fortran compiler
   being used must support OpenMP.
 
+coverage
+  Compile and link code instrumented for coverage analysis. This is typically
+  used in conjunction with gcov.
+
+maxcoord
+  Maximum number of nested coordinate levels in geometry. Defaults to 10.
+
 To set any of these options (e.g. turning on debug mode), the following form
 should be used: