minor documentaion fixes

INSTALL.md

@@ -13,7 +13,7 @@ $ make install
 ## Important Installation Notes
 
 1. GTSAM requires the following libraries to be installed on your system:
-    - BOOST version 1.65 or greater (install through Linux repositories or MacPorts). Please see [Boost Notes](#boost-notes).
+    - BOOST version 1.65 or greater (install through Linux repositories or MacPorts). Please see [Boost Notes](#boost-notes) for version recommendations based on your compiler.
 
     - Cmake version 3.0 or higher
     - Support for XCode 4.3 command line tools on Mac requires CMake 2.8.8 or higher
@@ -72,7 +72,7 @@ execute commands as follows for an out-of-source build:
 Versions of Boost prior to 1.65 have a known bug that prevents proper "deep" serialization of objects, which means that objects encapsulated inside other objects don't get serialized.
 This is particularly seen when using `clang` as the C++ compiler.
 
-For this reason we require Boost>=1.65, and recommend installing it through alternative channels when it is not available through your operating system's primary package manager.
+For this reason we recommend Boost>=1.65, and recommend installing it through alternative channels when it is not available through your operating system's primary package manager.
 
 ## Known Issues
 

gtsam/nonlinear/LevenbergMarquardtParams.h

@@ -35,7 +35,7 @@ class LevenbergMarquardtOptimizer;
 class GTSAM_EXPORT LevenbergMarquardtParams: public NonlinearOptimizerParams {
 
 public:
-  /** See LevenbergMarquardtParams::lmVerbosity */
+  /** See LevenbergMarquardtParams::verbosityLM */
   enum VerbosityLM {
     SILENT = 0, SUMMARY, TERMINATION, LAMBDA, TRYLAMBDA, TRYCONFIG, DAMPED, TRYDELTA
   };