diff --git a/Doxyfile.in b/Doxyfile.in
index a5e849e..e482b1b 100644
--- a/Doxyfile.in
+++ b/Doxyfile.in
@@ -152,7 +152,7 @@ FULL_PATH_NAMES        = YES
 # will be relative from the directory where doxygen is started.
 # This tag requires that the tag FULL_PATH_NAMES is set to YES.
 
-STRIP_FROM_PATH        = @CMAKE_CURRENT_SOURCE_DIR@
+STRIP_FROM_PATH        = "@CMAKE_CURRENT_SOURCE_DIR@"
 
 # The STRIP_FROM_INC_PATH tag can be used to strip a user-defined part of the
 # path mentioned in the documentation of a class, which tells the reader which
@@ -1125,7 +1125,7 @@ HTML_EXTRA_FILES       =
 # Minimum value: 0, maximum value: 359, default value: 220.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_COLORSTYLE_HUE    = 80
+HTML_COLORSTYLE_HUE    = 220
 
 # The HTML_COLORSTYLE_SAT tag controls the purity (or saturation) of the colors
 # in the HTML output. For a value of 0 the output will use grayscales only. A
@@ -1133,7 +1133,7 @@ HTML_COLORSTYLE_HUE    = 80
 # Minimum value: 0, maximum value: 255, default value: 100.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_COLORSTYLE_SAT    = 100
+HTML_COLORSTYLE_SAT    = 60
 
 # The HTML_COLORSTYLE_GAMMA tag controls the gamma correction applied to the
 # luminance component of the colors in the HTML output. Values below 100
@@ -1144,7 +1144,7 @@ HTML_COLORSTYLE_SAT    = 100
 # Minimum value: 40, maximum value: 240, default value: 80.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_COLORSTYLE_GAMMA  = 80
+HTML_COLORSTYLE_GAMMA  = 70
 
 # If the HTML_TIMESTAMP tag is set to YES then the footer of each generated HTML
 # page will contain the date and time when the page was generated. Setting this
diff --git a/include/Lexesis/re.h b/include/Lexesis/re.h
index 2890e9f..7f5aa05 100644
--- a/include/Lexesis/re.h
+++ b/include/Lexesis/re.h
@@ -20,6 +20,10 @@ namespace lxs {
              * This extends the given enfa, and attaches itself to the given `attach` state
              */
             virtual State toENFA(ENFA& enfa, State attach) = 0;
+
+            /**
+             * Convert this regex to a text regex (useful to check if parsing was correct)
+             */
             virtual std::string toRe() = 0;
     };