README: Fix links

README.md

@@ -73,7 +73,7 @@ However, let's have a few sentimental points listed and we may add a few more as
 [*OpenGL™ for Java™ (GL4Java)*](https://jogamp.org/cgit/gl4java.git/about/) was developed [from March 1997](https://jausoft.com/gl4java/docs/overview/history.html) 
 until [March 2003](https://jogamp.org/cgit/gl4java.git/log/).    
 Its concepts were reused in the subsequently launched [JOGL project](https://jogamp.org/jogl/www/)    
-initially [lead by Sun Microsystems](#gluegen-joal-and-jogl-at-sun-microsystems) and later by [the JogAmp community](https://jogamp.org/),    
+initially [lead by Sun Microsystems](#gluegen-joal-and-jogl-at-sun-microsystems--co) and later by [the JogAmp community](https://jogamp.org/),    
 rendering *GL4Java* effectively *JOGL's* predecessor.  A few of the concepts reused were:
 - C-Header Compiler to JNI glue code: C2J -> GlueGen
 - AWT integration: GLCanvas, GLJPanel (swing)
@@ -161,7 +161,7 @@ Sven Gothel created [*OpenGL™ for Java™ (GL4Java)*](#opengl-for-java-gl4java
 in March 1997 and maintained it up until March 2003.
 
 Kenneth Bradley Russell and Christopher John Kline 
-[developed JOGL, acquired by Sun Microsystems](#gluegen-joal-and-jogl-at-sun-microsystems) 
+[developed JOGL, acquired by Sun Microsystems](#gluegen-joal-and-jogl-at-sun-microsystems--co)
 and released the first public version in 2003.
 
 Gerard Ziemski contributed the original port of JOGL to Mac OS X.